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C.O.M.E. Racing Latest News
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Saturday, 16 August 2008
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Holden 355 Stroker crank and rod deal
Products come and go. Companies in the Performance parts industry come and go. We are not going anywhere! This latest offer is something anyone rebuilding a Holden V8 engine should not pass up if they were considering keeping the engine 5 litre. Forget the 5 litre, the 355 is very affordable.
We are offering our legendary Holden 355 nodular cast iron stroker cranks together with our latest "I" beam forged 4340 steel conrods as a matched set. The rods are stock factory A9L length for those who wish to use the popular OEM 355 factory replacement style pistons from ACL or similar.
Our new stock 5.623" length rods are approximately 40% stronger than the original A9L factory rods, fully precision finish honed and fitted with ARP bolts for ultimate reliability and long life. This offer is available till our new rod stocks are depleted. Both a new 355 crank and set of rods are $995.00 plus freight. You need to buy some suitable pistons, rod and main bearings and have the assembly balanced and you have an incredibly strong 355 bottom end.
Our usual completely balanced kits are of course always available including our crank, rods, Keith black pistons, moly rings, rod and main bearings and full internal balancing all for $1995.00 We realise however many people want to do their own combinations so the crank rod deal is now available for you do it yourselfers.
Call us on (03)9571-4204 or email come@comeracing.com to place your orders.
6:31:23 AM
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Saturday, 9 August 2008
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The heart of your engine, the CAMSHAFT... 
Still one of the most misunderstood components in performance engine building today. You can use the latest computer simulation programs, read the flashy catalogues, go on the forums to be misled day in day out. The bottom line is the only people capable of really choosing a camshaft profile correctly are those who really know and understand how an engine works.
Those who build engines all day long and test thousands of combinations to find optimum components matches. Those who actually design and manufacture engine components including camshafts and test their theories day in day out on an engine dyno to really evaluate the torque curves they are looking for. Most importantly, those who really love their craft and get real satisfaction out of creating a component mix that does everything and more it is supposed to.
If you look around Australia's performance industry you will not find any other company here that goes to the trouble and expense of developing performance components designed to work to maximise your results on the street or race track. Before just buying a camshaft or any performance product being recommended by the local performance guru, do some research yourself. It may save you the grief of finding that the 1st selection of components, particularly the camshaft, did not produce the desired effect.
Our COME Cams are designed using the latest software which takes into account an incredible range of valvetrain dynamics, weights, valve motion characteristics and valve spring rates. Our master cams are then machined on CNC grinding machines to almost immeasureable accuracy. This final master cam is then used on our in house grinders to produce the most accurate cam profiles possible. That's only the beginning. We verify the effectiveness of every profile in custom built dyno test engines to ensure the designs produce exactly what they are supposed to...maximum power and torque, maximum valve train stability for long valve train life and the quietest possible operating efficiency.
There's more to making a cam than just copying someone elses grinds. We prefer to design and test our own ideas before they end up in your engine and you become the "test mule". A camshaft is indeed one product you want to get right the first time, it effects your whole engine combination dramatically because it truly is the "heart of your engine" regulating almost everything that the engine produces.
If you think about it carefully can you imagine the number of camshaft types there really are? Automotive, motorcycle, petrol, diesel, aircraft, marine and lots more. COME Cams does only cams for very specific engine types. We narrow our focus because it's impossible to cover all those possibilities successfully and achieve maximum results from all of them. There are simply not enough hours in the day to devote to a real development program to cover all bases. Most cam companies buy existing performance grinds and copy them to enable them to extend their master cam libraries.
The problem with this logic is that copies are never quite the same as the original. Frankly, if one does not know the diameter of the grinding wheel used to make the donor cam then the copy cannot be accurately reproduced. We prefer to design and develop our own range of profiles with todays technology. Our results in the cam industry have been documented over more than 20 years by successful racers and street users throughout Australia.
COME Racing manufactures cams for Holden V8, Chev LS1/LS2/LS3/LS7 V8, Holden V6, Ford V8's, Chev Small and Big Block V8's. Our cam product range to suit these engines is by far the most advanced technologically in Australia and we work hard to keep it that way. When you need a camshaft to suit these engines it would be useful for you to email us at workshop@comeracing.com for an urgent cam recommendation and pricing, or to come@comeracing.com for cam or other product enquiries. Remember, the cheapest cam you can buy is the one that works best the first time.
If you still prefer to choose your own profile, as us for our complete catalogue. We can email this or post it to you in hard copy by regular post. You can of course call us during business hours on (03)9571-4204 for help with all our products.
August/September...specials
Holden V8 package deals...continue due to your support!
$4000.00 gets you our fantastic COME Racing Twin Throttle Body EFI Holden V8 intake manifold complete with billet throttle body, intake snorkel, throttle cable bracket and our complete 355ci Stroker kit, featuring Keith Black hyperuetectic pistons, 4340 forged steel "I" beam rods with ARP bolts, our super strong 355 nodular cast crank, rod and main bearings, moly rings and of course the whole assembly is computer balanced ready to install. If you are rebuilding your EFI Holden V8 and you don't take advantage of this LIMITED TIME offer, you must be crazy. Offer valid till October 1st 2008! So you have plenty of time to take advantage of this deal.
$4200.00 gets you the same deal as above but includes our wonderful 383ci Stroker kit!!! The high compression 383 kit and intake is $4500.00!
It takes time but consumers are slowly learning the hard way that the COME Racing Stroker cranks and kits are still the best QUALITY and VALUE for money on the market in spite of "cheap" lower quality alternatives now available. Don't be drawn in by cheap prices only. Our pricing is excellent for the high quality of our products.
Call us on (03)9571-4204 or email to come@comeracing.com to place your orders.
Need only our Twin Throttle Body EFI intake? For a short time only (till October 1st), buy our Holden Twin Throttle body intake, billet throttle body and intake snorkel for only...$2200.00 plus freight...This is a WEB ONLY DEAL! email us to order NOW!
6:20:36 AM
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Thursday, 17 July 2008
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BOOST Stroker kits and engines

With the popularity of boost setups these days, both turbos and superchargers we have some great engine components to enable strong reliable engine buildups to suit boost applications...
4.2 Ecotec V6 BOOST capable short motors: These are sold outright and include a fully machined Ecotec cylinder block. Bored and torque plate honed, "O" ringed decks, copper head gaskets supplied, nodular cast iron stroker crank (capable of 15psi+ boost), "H" beam 4340 steel con rods, Wiseco or Diamond Racing custom low compression forged pistons. Assembly fully balanced for use with Ecotec balancer and flywheel. Short is supplied with matching boost billet cam and timing set. Oil pump, timing set and steel Powerbond harmonic balancer and sump fitted...OUTRIGHT for $6500.00 (unassembled for $5800.00)...Optional billet steel crank...add $1500.00 (more extreme boost capacity) Long motors including ported ST-3 heads and our new Twin Throttle Body intake manifold...$12,000.00 outright
427ci LS1 short motors: Street application versions includes new LS7 alloy block fully machined, 4340 steel crank, "H" beam rods, custom Wiseco or Diamond Racing forged pistons internally balanced assembly. COME camshaft and timing set...OUTRIGHT for $8500.00 Bolt your top end on and boost setup, tune and enjoy. The LS7 block is recommended for boost setups up to 10-12psi boost.
427ci LS1 short motors: Street/Race application version includes new LSX Bowtie cast iron block fully machined with the same bullet proof crank kit, choice of COME camshaft, timing set and available OUTRIGHT for $9500.00 The LSX factory race block is the strongest cylinder block available anywhere for the LS family of GM engines. If you are boosting heavily this is the setup you need.
355ci Holden V8 Boost short motors: Available outright or we do your late model standard bore cylinder block. Includes fully machined block with our billet steel 4 bolt main bearing caps fitted, clearanced for stroker, decked and "O" ringed supplied with copper head gaskets. Fitted with a our best 4340 steel billet 355 crank, "H" beam rods and custom Diamond Racing low compression forged pistons. Rotating assembly is fully balanced internally...OUTRIGHT for $11,000.00 or using your block for $10,000.00
CHEV SMALL BLOCK STROKER kit deal...
383ci Small Block Chev normally aspirated Stroker kits including...our best 4340 steel 3.750" stroker crank, "H" beam rods, custom Wiseco forged flat top pistons, assembly fully balanced and supplied with auto flexplate, Powerbond Steel balancer, rod and main bearings, moly race rings...all for $2500.00 You will not buy this quality and completely balanced package anywhere! This offer valid through the rest of July and August or till stocks of current components are sold.
ENGINE DYNO TUNING SERVICE EFI Holden or LS1/2
After many phone calls and requests by customers who find it difficult to find tuning facilities for newly built engines, we are making our Engine Dyno services available particularly for the late model Holden V8, V6 and LS Chev style engines. We all know the story. You build a new engine, the best parts, it goes together very well, all tolerances measure up fine but you can't get it to run correctly. We've always warned customers purchasing our parts only, unassembled engines or using our machinework services that starting and running a newly built engine is not a game. It can be an expensive disaster. We don't recommend the use of a chassis dyno (rear wheel dayno) to run in an engine and tune it. If you have no choice but to use a tuner who uses only a chassis or rear wheel dyno, ask them for a baseline conservative tune. Drive the car for at least 1000 kms on the road and change oil and filter several times during this initial bed in period. Take the car back to your trusted tuner and then let them complete the tuning job on an engine that has had a chance to bed in and loosen up before being thrashed on a chassis dyno. We prefer however to run in and tune engines on our engine dyno because we can control engine and oil temperatures 100%, obtain real world power and torque curves at the flywheel like the car manufacturers all do and equally importantly, it any problems show up you don't have to pull the engine back out of the car to fix it. You nip it in the bud there and then, tune it correctly once and for all and drop it into the car confident all will be OK.
Our Engine Dyno run in and tune service takes 2 days. We run in partially, replace oil and filter after initial bed in, tune software and download to your computer or onto your original computer chip all for...$1650.00 with total piece of mind. NOTE: We provide this service only for normally aspirated engines or boost engines without boost setups fitted to provide a safe run in before applying boost.
COME Racing 2007 Holden V8 alloy heads
Holden V8 alloy head package deals...
1) 2007 heads complete with stainless 2.02” intake and 1.60” exhaust valves, full blending of bowls and unshroud chambers, 3 angle valve seat job, dual 1.450” valve springs and chrome moly retainers, positive valve stem seals, heads machined to accept stud or shaft mounted roller rockers (7/16” fasteners), springs designed for flat tappet or hydraulic roller cams to .650” valve lift, gasket faces machined to your desired combustion chamber volume needs per pair COMPLETE…………………..$3500.00 NOTE: these heads flow over 570hp through intake ports.
2) The above heads and our Holden EFI Twin Throttle Body EFI intake manifold purchased together for $5500.00 DELIVERED ANYWHERE IN AUSTRALIA!
Call or email us for all your Stroker crank kit, camshafts, cylinder heads or engine needs. The Government may not know how to control inflation but we do with our prices dropping rather than increasing. Your continued support makes this possible. With volumes up we are able to cut production costs and can pass these on as often as possible. It's not doom and gloom out there, we can still all have our performance needs and enjoy our leisure time and hobbies. The key is to choose wisely the first time and buy the right parts for the job you wish to do. Not go and buy the parts which appear to be the cheapest on the market. False economies are everywhere and people seem to be sucked in by a low price till they learn the hard way. Email... come@comeracing.com Urgent enquiries and trade enquiries... workshop@comeracing.com Call us on (03)9571-4204
5:22:12 AM
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Tuesday, 3 June 2008
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427ci LS1 Short motors June Special

It's close to tax time and we need to move as much stock as possible. If you were planning to build a "big" LS1 based engine for normally aspirated or boost use...this is the time to do it. We are offering 427ci LS1 short motors including brand new LS7 factory alloy blocks fitted with our ever popular stroker kits to bring capacity up to a torque wrenching 427ci or 7 litres. There are several options available and any of them are truly never to be repeated bargains.
1) 427ci normally aspirated short motor featuring new fully machined LS7 alloy GM block, COME 4340 forged steel stroker crank (4.00" stroke), 4340 forged steel "H" beam conrods and either Wiseco or Diamond Racing forged pistons. The new bulletproof crank assembly is internally balanced and crank is fitted with your choice of earlier 24 tooth or later 58 tooth crank angle sensor wheel. This short motor is fully assembled including any of our latest COME Racing roller camshafts, GM style timing chain and gear sets. The short comes with new matching valley cover and timing case as well as high performance oil pump assembly fitted. This awesome short block which incidentally is physically the same dimensions as your 5.7 LS1 or 6.0 LS2 engine (making a direct swap for those very simple) is priced fully assembled and outright...$9900.00
2) 427ci normally aspirated short motor with all the features and parts of short motor # 1 above but supplied UNASSEMBLED is...$9000.00
3) 427ci BOOST application short motor with the same features as short block # 1 but has the additional items included. This short block has low compression boost designed custom Wiseco or Diamond Racing forged pistons and an ARP main bearing stud kit fitted to handle the extra load of boost applications. This fully assembled and outright BOOST short block is priced outright...$11,000.00
4) 427ci BOOST application short motor as the above # 3 short block but supplied UNASSEMBLED is...$10,000.00
With any of these short blocks you simply need to add a good pair of heads like the factory L76 versions with matching manifold and you have the basis of an incredible street or street/strip engines for an unbelievably low price. You are buying the best quality parts and machinework with this deal for better than Automotive trade prices. These are WEB ONLY deals and will not be offered to anyone without them mentioning they saw it in our June '08 Weblog.
As always we have a huge range of LS1 based stroker engines from 383, 408, 427 and up to 440ci capacities. We will do deals on components, short motors, long motors and of course completely built dyno run in and optimised versions of all of these. Talk to us about what you need and you will find there is no substitute for experience and constant research and development to provide you with an engine to really suit your actual needs. Call (03)9571-4204 or email come@comeracing.com
COME RACING machineshop...
We receive many calls every day from trade as well as do it yourselfer engine builders about the lack of a good local mchineshop to carry out precision machining on cylinder heads, cylinder blocks, crankshafts, con rods, camshafts and other engine components. Remember that the attention to detail in final component machining is the difference between a long life engine with a minimum of internal friction and capable of making maximum power potential due to accurately mated or blueprinted components. No matter how much money you spend on parts they become worthless very quickly if the cylinder block, cylinder heads or other home for these parts is not accurately machined.
Local Melbourne enthusiasts have been using our shop for nearly 30 years with great results but a large part of our workshop machining is to components sent from all parts of Australia. We have some very good freight deals from many parts of the country and our turnaround time for most jobs is surprisingly fast. Call if you need some components machined. You will find it is not that difficult to ship parts to us for machining and be assured of deadly accurate results. The real test which all our customers comment on is how well the engine went together, turned beautifully and then performed flawlessly. Yes, sometimes it's worth going out of your way to get the machining done by someone who does nothing else but high performance precision work. Call today...(03)9571-4204 or email workshop@comeracing.com for a quick quote.
DRAG RACE CAR FOR SALE...
We are offering for sale our 1996 Pro Stock Oldsmobile Cutlass race car. We are tired of waiting for a new and viable Drag Race track to appear here in Melbourne and as such have decided to sell the wonderful Olds Cutlass we campaigned successfully till 2001. The car held the A/AP Australian record for over 5 years and would still be totally competitive in Competition Eliminator A/APM class today. It will run under the index in this class (below 7.20's @ over 193 mph) at any good track. The car was built brand new by world renowned U.S chassis builder Jerry Haas, has done no more than 200 passes from brand new and has been updated in late 2006 with the latest wheels, tyres, newest state of the art Lamb Struts and brakes, Jerry Haas rear anti roll bar, latest wheelie bars from Haas as well as brand new dual Stroud Pro Stock chutes. The car has a 500ci Pro Stock Oldsmobile DRCE II engine making 1300 bhp on our dyno and a brand new Ace 8" dual plate Titanium Pro clutch as well as brand new (5 passes only) lightweight Lenco 5 speed transmission. The Mark Williams alloy diff centre has brand new rem polished and cryo treated gears with also only 5 passes on it. Numerous spares are included in the turn key deal...new Koni Electric rear shock setup, spare carbon fibre front clip (brand new by Hairy Glass), spare Ace 7" dual plate Pro Stock clutch assembly (ideal for marginal tracks) fully serviced with new plates, floater and TMT coatings, brand new (only one pass) Mark Williams alloy Pro diff centre (like the one in the car).Too much to list...If you want to go racing and need one of the best cars in the country without waiting to have one built, this is a bargain. The car can be fitted with any transmission or engine combination incidentally to run many Super Stock, Comp or Group 3 classes as well. We prefer to sell the car as a running concern with all parts listed but may consider alternative offers. Call Sam BH (03)9571-4204 or AH (03)9563-5678 Price and more details on application only. Detailed photos of the car can be emailed to anyone interested. Email come@comeracing.com
7:11:39 PM
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Saturday, 19 April 2008
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440ci LS1 Piledriver 
Want maximum capacity out of your LS1 equipped vehicle. Our 440ci version is a lot of engine for any application. These big engines are quite tractable even with large camshafts, big inductions and high compression ratios. We offer the 440's in power levels from a mild 550 bhp (410kw) version for exceptional daily use manners up to very radical versions for more extreme owners. This version shown here was built for a customer who named the engine for us...the PILEDRIVER! Still a very tractable but powerful version with typical moderately rough idle, pump 98 octane fuel capability and torque to rival a Mack Truck.
The Piledriver version has CNC ported GM Performance parts heads with final intake port volume size of close to 280cc's. True Big Block numbers with air flow to match. Over 11.5:1 compression ratio, our latest design LSCH-945 camshaft with 245/257 degrees @.050" intake/exhaust, .560" lift and ground on 114 degree lobe centres. This like all our LS1 style grinds do not sacrifice power and torque output for smooth valve train action and quiet operation. The bottom end features a brand new GM alloy 427 (7 litre)LS7 cylinder block that has been fully prepped and fitted with our 4340 forged steel 4.100" stroke crank, our latest design 6.1" "H" beam 4340 steel con rods and custom made Diamond Racing forged pistons and rings. The top end is completed with GM's latest L92 square port intake and our own custom made billet alloy 95mm throttle body.
The Piledriver is not cheap at a baseline $25,000 (depending on outright or changeover) but with 626 bhp (467 kws)@ 6000 rpm and 594 ft.lbs torque (805nm)@5200 rpm in a very driveable and still fuel efficient combination, you would be hard pressed to find better value for money in the "big" engine stakes. No blowers, intercoolers, turbos, plumbing or headaches here. The toughest parts in an engine swap that ends up looking like a stock LS1 and in fact is physically identical in all dimensions so fits straight in anywhere you had an LS1 or LS2. With a 2750 rpm torque figure of 468 ft.lbs you can forget about needing stiffer diff ratios or hi stall torque converters.
Both the Piledriver 440 and the fantastic Sledgehammer 427 are both also available in components only packages for those wishing to assemble and build their own versions. A fully prepped LS7 block is $5500.00, 427 crank kits start at $3100.00, 440 crank kits with the best parts are $4500.00, GM Performance parts heads fully prepped for the 427 are $3500.00 including the special offset intake rocker arms required. The CNC ported 440ci versions of these heads are $5000.00 fully prepared. The matching intake manifold, fuel rails injectors and billet 90mm throttle body induction package is $4500.00 to suit the 427ci Sledgehammer. The same induction package for the Piledriver 440ci engine with fully port matched intake runners to suit the CNC ported heads and our custom billet 95mm throttle body is $6500.00 Our matching camshafts are only $550.00 You have a choice of over 50 grinds.
Newest cam profiles...LS1
LSCH-928 228 in 236 exh @.050” lift .551”in .551”ex 114 degree LC
LSCH-936 236 in 246 exh @.050” lift .551”in .551”ex 114 degree LC
LSCH-945 245 in 257 exh @.050” lift .560”in .560”ex 114 degree LC
LSCH-955 255 in 264 exh @.050” lift .560”in .560”ex 114 degree LC
LSCH-961 261 in 268 exh @.050” lift .600”in .600”ex 115 degree LC
LSCH-968 266 in 275 exh @.050” lift .600”in .600”ex 114 degree LC
Note: All our LS1 camshafts have now come down in price! They are $550.00 each
Our matching conical valve spring sets are $330.00 and chrome moly retainers...$120.00
Want a full list of our full range of cam profiles? Go to http://www.comeracing.com/products/cams/
7:14:03 AM
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Sunday, 23 March 2008
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427ci LS1 Sledgehammer

Is your 5.7 LS1 getting tired? We have an alternative you may find hard to resist...our 427ci (7 litre) outright long motor with 605 bhp and 583 ft.lbs torque. There are no inflation problems here either, our prices are DROPPING. This long engine will cost you only $16,500 assembled. you will use the oil pan, coil packs and other external bolt on ancillaries off your original LS1 engine to fully complete the engine. It is is physically identical to your LS1/LS2 in all dimensions so drops straight in to all model Commodores from '99-2008. Need us to dyno run in the engine and otimimise software tuning so all you need to do is drop it in and go drive?..add $2000.00 This is a bargain in anyones language.
You can also buy this engine UNASSEMBLED which includes a brand new fully prepared LS7 GM aluminium block, our complete 427ci Stroker kit with Wiseco or Diamond Racing forged pistons, 4340 steel "I" beam rods and our proven nodular 4.00" stroke crank all fully balanced with new GM crank angle sensor fitted and moly rings with rod and main bearings supplied. A new Powerbond keyed balancer, brand new GM L92 big port cylinder heads, fully prepared with our special conical valve springs, full valve job, chrome moly retainers, new pushrods, COME LSCH-936 hydraulic roller camshaft (specifically developed for this combination), new roller lifters, new timing set, new blueprinted oil pump, timing case cover with cam angle sensor, LS7 valley cover plate, full GM gasket set and head bolts, new L92 big port GM intake manifold with fuel rails and injectors, new COME Racing billet alloy 90mm Throttle body. All this ready to assemble for only...$15,000...These offers are limited and won't last forever.
The incredible power and torque of these engines as well as great daily driveability is something one needs to really experience to appreciate. Peak power is made at no more than 5750 rpm with peak torque at 4750 rpm. Don't look only at the peak numbers. As we keep drumming into your heads, it's the torque curve that makes the car accelerate and be driveable. These monsters have over 450ft.lbs torque as low as 2750 rpm. Tuned correctly and driven correctly they can also be incredibly fuel efficient in most conditions. There are many so called experts offering big power LS1 based combinations but no one will give you this torque curve, reliability at these prices...no one!
Want to entirely build your own version? That's cool...We can supply a full range of our extremely popular LS1 Stroker kits as follows...
6:48:45 AM
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Saturday, 8 March 2008
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Outright engines
Outright engine bargains...
383 Holden SS-1 300kw EFI long engines, supplied OUTRIGHT with no exchange...$12,000.00 This includes long block (heads and short motor) it does NOT include oil pan and pickup, fuel rails and injectors, distributor, sensors, water pump, pulleys, alternator, valve covers or flywheel. If you have an existing 5 litre EFI V8 all those components will bolt straight on. The same engine is also available UNASSEMBLED but with all parts included and machinework done for...$10,000.00 This is our most popular Holden V8 engine and if you are repowering a VN-VS Commodore or transplanting to an early model this is a bargain you won't see again. Note, this includes all the machinework, parts and features of this great engine including our fabulous EFI Twin Throttle Body intake manifold. We have very reasonable freight rates to all locations around Australia and insurance to your door always covers our shipments.
402ci/408ci LS2 375kw Chev V8 long engines, supplied OUTRIGHT with no exchange...$10,000.00 This includes long block (heads and short motor) it does NOT include oil pan and pickup, intake manifold, fuel rails and injectors, coil packs, sensors, water pump, alternator, valve covers or flywheel. If you have an existing LS1 or LS2 V8 engine all those components will bolt straight on. The same engine is also available UNASSEMBLED but with all parts included and machinework done for...$8500.00 If you wish to upgrade your LS1 or LS2 or are transplanting such an engine in an earlier model you will not do this for a better price anywhere.
4.2 litre Ecotec Holden V6 S.T-3 220kw long engines, supplied OUTRIGHT with no exchange...NORMALLY ASPIRATED...$9500.00 or a BOOST capable version...$9,500.00 These long blocks (heads and short motor) do not include water pumps, alternators, fuel rails and injectors, *intake manifolds, sensors, coil packs. Oil pans and valve covers are included. The normally aspirated versions also include our latest *Twin Throttle Body plenum intake with billet dual 58mm throttle body and intake snorkel. Either version is available UNASSEMBLED but includes all parts and machinework for...$8000.00 The V6 revolution continues and at these prices it's easy to be a part of it.
Our last weblog deals incidentally continue till the time frame has run out on April 1st. We also still have a few of the 6 litre L76 crate engines left at the ridiculous price of $4500.00 You will not see these deals again.
A reminder...did you know we have a full in house engine machine shop capable of all block, crank, rod, cylinder head machinework? Everything from engine balancing, line honing, line boring, rod rebuilding, crank blueprint grinding, parts cleaning, surface milling, cylinder head rebuilding and machining. Fast turnaround times and only the highest quality work on the best equipment available. When you've been doing it for 30 years and you are still around people know they can trust the accuracy of the work. If you have a big project requiring the best accuracy in machining there are not many shops that can rival our results. Freight rates even for interstate customers is very reasonable.
Call us on (03)9571-4204 or email workshop@comeracing.com for urgent response during business hours 8.30am-5.00pm Monday to Friday. Or email come@comeracing.com for general enquiries.
9:49:40 AM
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Saturday, 9 February 2008
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Holden Stroker kits
NEW! 396ci Holden Stroker kits
Build the biggest possible Holden stroker using your late model cast iron GMH 304 block. Our new 396ci stroker kit is a very limited offer item as we made very few in our first production run due to extensive testing to ensure reliability. The torque produced is amazing and with the correct choice of unlimited inductions fantastic street/strip results are easily achieved. The introductory batch of 396 Stroker kits is now available and includes a nodular iron 8 counterweight, 3.8750" stroke version crank based on our super strong 383 nodular cast iron crank. We've made a custom length 5.850" forged 4340 steel "I" beam con rod with bushed small ends for fully floating Diamond Racing forged 10:1 compression pistons. Kit is fully balanced internally and includes Diamond Racing moly rings, King rod and main bearings all for an introductory...$3300.00
Still the best value and by far highest quality Holden Stroker kits on the market are our ever popular 355ci and 383ci kits Both are available with street/strip application components including our nodular iron cranks, forged 4340 steel "I" beam rods and Keith Black hyperuetectic pistons. 355 kits are $1995.00 fully balanced. 383 9:1 compression kits are $2200.00 or 10:1 plus kits all fully balanced for $2500.00 Full bore racing kits including our billet steel cranks, forged "H" beam rods and custom racing forged pistons in normally aspirated or boost compression ratios are always in stock for $4700.00 for the 355 version or $4900.00 for the 383 version. You will not find better quality or tougher bottom end kits for your Holden V8 anywhere. Particularly important are the excellent prices which no one can come close to for the quality and strength level of these parts. If you prefer to buy the cranks only and do your own combination buildup our 355 cast cranks are $700.00. Our 383 cast cranks are $900.00 While our billet 4340 steel cranks for both 383 or 355 are incredible value at $2200.00
LS1/LS2 V8 stroker kits in stock ready to ship. 383ci kits to suit the LS1 blocks and 402/408ci kits to suit the 6 litre block including our nodular 4.00" stroke crank, forged 4340 steel full floating "I" beam rods and Diamond Racing forged pistons with rings, rod and main bearings as well as new crank angle sensor fitted and indexed WEB SPECIAL for February/March '08...$2950.00 (add $550.00 for "H" beam rods)
ECOTEC or VN-VR V6 4.2 Stroker kits...BOOST application kits with the absolute strongest parts available anywhere for the Holden V6 engines. These balanced kits feature our 4340 steel billet stroker cranks, our 4340 steel "H" beam rods with ARP2000 series bolts and either Wiseco or Diamond Racing custom forged pistons, moly rings, rod and main bearings all for $5000.00 (same kit with cast crank for $4000.00)
Call us on (03)9571-4204 to order or for information regarding any of our products. Or, email to come@comeracing.com. Trade or wholesale enquiries to workshop@comeracing.com
10:50:41 AM
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Saturday, 1 December 2007
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Twin Throttle Body Ecotec intake

Ecotec V6 manifold plenum
To compliment the full range of 4.2 litre stroker kits, engines, cylinder heads and camshafts we manufacture for the popular Holden Ecotec V6's...announcing the arrival of our Twin Throttle Body intake plenum assembly for the Ecotec engine.
This plenum is a direct replacement for the original top plenum incorporating provision for all factory sensors, throttle cable, fuel rails, intake piping. It is a very quick and easy bolt on to the original factory manifold base. Fitting time is less than one hour and the results are incredible even on stock or mildly modified 3.8 litre engines. Our intake plenum features a billet alloy dual 58mm throttle body, increased plenum volume with a beautifully designed zero restriction inlet flange mating precisely to the plenum housing itself. Also included is a very efficient intake snorkel which bolts directly to the billet throttle body and is designed for maximum air flow potential and to hook up to stock intake piping to the production or any aftermarket air box systems.
This complete plenum assembly with billet throttle body, intake snorkel, accelerator cable bracket is $1750.00 making it a fantastic value for money easy bolt on. The results even with stock engines is over 10% torque gains right through the rpm range with more significant gains on modified engines, strokers and boost applications. Unlimited possibilities abound and finally the Ecotec engine is allowed to make power to its full potential.
Holden V6 Ecotec crate engines
1) 4.2 litre Ecotec stroker long motor...230+kw normally aspirated long motors available outright. These include our new Twin Throttle body intake, fully ported ST-3 heads and balanced blueprinted short motor...$8500.00 outright. The same engine including dyno run in and software tuning optimised is $9900.00 The same engine UNASSEMBLED for the do it yourselfer is $7500.00 NOTE: These engines do not include bolt on ancillaries like alternators, starter motors etc. Your original stock engine ancillaries will bolt right on.
2) 4.2 litre Ecotec BOOST stroker long motor...these long motors are our most popular Ecotec engine by far. They are fitted with our best boost stroker bottom end with low compression boost forged pistons, "H" beam rods and your choice of nodular cast iron crank (up to 20psi boost) or our billet 4340 steel crank for unlimited or endurance applications. They have the same ST3 fully ported heads, "O" ringed block decks, copper head gaskets and fully optimised cam profile from our range to best suit your exact application. This long motor outright less ancillaries but including our new Twin Throttle Body intake is...$10,500.00. The same engine including dyno run in normally aspirated only, so it has some run time on it before boost setups are fitted and tuned, is $11,500.00 The same engine UNASSEMBLED is $9500.00 NOTE: No ancillaries as per the above # 1 engine are included. Add...$1000.00 to any of the above prices for the inclusion of our billet steel crank to replace the cast crank.
A full range of 4.2 stroker engines are also available for the Series II VN-VR V6 engines. These are usually only available on an exchange basis although some applications can be supplied outright. Just let us know what you need and we can price it for you. For those wishing to build their own engines ask us for our literature on our full range of Holden V6 stroker kits (rotating crank assemblies), cylinder heads and camshafts.
Holden V8 Stroker kit deals continue!
1) The best value for money and highest quality 355 Stroker kits including crank, our 500+bhp capable 4340 steel "I" beam rods and your choice of compression ratio with Keith Black hyperuetectic pistons, moly rings, rod and main bearings and full internal balancing done is...$1995.00
2) 383 Stroker kits including crank, our 500+bhp capable 4340 steel "I" beam rods and up to 9.5:1 compression ratio with Keith Black hyperuetectic pistons, moly rings, rod and main bearings and full internal balancing done is...$2200.00 High compression ratio kits, forged pistons, boost kits etc also available in both 355 and 383 kits with our new 396ci kits coming soon.
A full range of the highest quality, lowest price LS1 Stroker kits are always in stock for immediate delivery. From 383, 402/408ci, 427 and 439ci. You will not buy higher quality at these prices anywhere. Our years of research and engine building with the LS1/LS2 family of engines has also yieldes the largest and most effective range of billet camshafts for all size LS1 engines. Ask your local performance shop for COME Cams and crank kits when they are building your engine, or buy these components direct.
Call us now for information regarding any of our products on (03)9571-4204 or email come@comeracing.com
For genuine trade customers we have current special pricing on all our product lines...email us at workshop@comeracing.com with your full name and contact details including ABN # to receive our wholesale pricing. Or call us during business hours on (03)9571-9605
ROBBERY! Last Friday the 23rd November we had one individual break into our premises and steel 3 notebook computers (a Dell Latitude, LG computer and a Gateway), a Nikon digital camera and several other items of value. A significant amount of damage was done by this person to gain entry but fortunately our security system protected the premises from a much worse outcome. If anyone has any information regarding this person's activities, or is offered any items similar to these we are offering a very substantial reward for information leading to the recovery of the items or/and information leading to the arrest of this person. He is a caucasion male, about late 20's in age, short hair, clean shaven, approximately 180cm tall medium build was wearing a navy coloured track suit pant and top outfit. Any calls regarding this will be treated in the strictest confidence.
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Thursday, 15 November 2007
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427ci (7 litre) COME Racing alloy engines  427ci Holden V8 replacement
Our hand crafted all alloy 427ci Holden replacement engines are now steadily shipping. You have a unique opportunity to own this one of a kind engine for street applications in Hot Rods, kit cars, earlier Holden model restorations right up to late model Commodores. Available in carb or EFI configuartion turn key dyno run in engines making your choice of power from 480bhp to 550bhp on pump 98 octane fuels. At $25,000 outright this is the best performance engine value today with the high machining cost of prepping a factory used block and still coming up significantly short in the engine capacity stakes. Not to mention the fact that these hand built engines feature all the top race developed attributes only available in a hand built and crafted "custom" made engine. We of course also offer these engines in unassembled form, in parts only form from the beautiful work of art alloy block, to our latest 2007 series alloy heads, full billet steel crank rotating assemblies and hydraulic roller camshafts designed and built in house. No other Australian performance company can provide a "whole" engine like this. Many and varied optional power and torque curves are available to suit your real application and vehicle.
NOW AVAILABLE, our long awaited Ecotec V6 Twin Throttle Body intake plenum assembly. These are $1750.00 delivered (in Australia) and represent incredible torque as well as peak power gains over the broadest rpm range imaginable. Whether bolted onto a stock 3.8 with improved exhaust or fully built 3.8 or 4.2 stroker, you will gain excellent results with this bolt on manifold plenum. Ideal also for boost engines where traditionally airflow restrictions have required much more expensive custom built intakes which frankly are untested and not scientifically designed like ours.
Note also that all our engine part specials shown in the last issue of our weblog directly below this new update continue, so take advantage of these great products at great prices. We have added several more items to these specials with the following LS1 Stroker Kits at exceptional value prices.
1) 383ci LS1 Stroker kit...forged 4340 steel crank, 4340 steel forged "I" beam rods, Diamond or Wiseco forged pistons low or hi comp versions, full internal balancing including moly race rings, rod and main bearings...$3500.00 delivered in Australia
2) 402-408ci LS1 Stroker kit... same components as above and the same price!
3) 427ci LS1 Stroker kit... same components as above, also the same price!!
Add, $300.00 to any above kit price for "H" beam rods!
Call us on (03)9571-4204 or email come@comeracing.com for more details.
7:58:43 AM
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Saturday, 6 October 2007
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LS1 427ci Crate motor

With the enormous popularity of the LS1/LS2 V8's in modern Commodore model cars, the demand for readily available "big" capacity powerplants is growing at a very rapid rate. This example shown here on our dyno is bound for a customer with a VZ model Monaro. The engine is one of our typical "daily driver" 427ci (7 litre) engines featuring brand new LS7 GM alloy block, big port GM Performance Parts cylinder heads and matching factory intake. The heads are brand new also and feature our best "COME125" conical valve springs and chrome moly steel ratainers, a full 3 angle valve seat job and with flow figures just over 660 bhp potential it's no wonder this conservative streetable combination produces 583 bhp @ 5750 rpm and 570 ft.lbs torque @ 5000 rpm. Best part of course is this engine makes a whopping 468 ft.lbs torque as low as 2750 rpm. An insane driving experience in anyones book and importantly with incrediblly smooth street manners only a big engine can provide.
Call us, or email and we will post, email or fax you the latest information and price sheet on the whole LS1/LS2 range of "crate" engines available. This alternative in engine building is growing every day with customers realising it's simply more cost effective to do it this way. We offer short motors (blocks fitted with crank, rod, piston kits, camshafts but no cylinder heads or other components) in 383ci, 408ci, 427ci and 439ci versions. In both normally aspirated or boost capable bottom ends. Fully built long motors as well as built and dyno run in engines are also available as are unassembled versions of all these engines for those who prefer to assemble themselves. We also have available our full range of Stroker kits to enable you to build your own LS1 monster.
Special deals for OCTOBER and beyond!
1) NEW! and now available our nodular cast iron Holden V8 355 Stroker cranks with Chev rod journal diameter and widths. You can use any Chevy Small Block rods on these cranks without any modifications. Of course the most popular 355 crank in Australia, our version with Holden rod journals is still and will always be available. Either crank is $700.00, take your pick. Keep in mind the best value for money 355 Stroker kits including either crank, our 500+bhp capable 4340 steel "I" beam rods and your choice of compression ratio with Keith Black hyperuetectic pistons, moly rings, rod and main bearings and full internal balancing done is...$1995.00
2) NEW! and now available our latest version nodular cast iron Holden V8 396ci Stroker cranks. With a long 3.8750" stroke and your typical 4.030" bore size these will become popular with those wishing to stretch the Holden V8 cast iron block engine to its largest possible capacity. These cranks only are in stock and available now for $1100.00 each.
3) NEW! and available by the 20th October, our long awaited (sorry for the delay everyone) Holden Ecotec V6 Twin Throttle Body intake plenum. This is the best way to increase torque and power of a stock right though to fully built Ecotec V6. Ideal for strokers and boost applications as well. Comes complete with throttle cable bracket to use OEM factory cable. Machined to accept all original sensors including TPS, Idle air etc. Also inclueds a great cast alloy intake snorkel to allow hookup to stock or aftermarket MAF and air box ducting. The snorkel has additional material cast into it to allow internal boring for much larger intake entry size. This is especially useful for the strokers, boost engines and highly modified 3.8 V6's. Our Twin Throttle body is a tried and proven design with dual 58mm bores made from the best grade of billet aluminium available. The best part actually is that the original factory engine cover fits with only minor modifications so no one needs to know what is lurking under the bonnet. The complete manifold plenum is...$1750.00 This is a bargain based on a minimum of 20kw power gain and even more torque low down, mid range as well as up top than a stock intake sutup. It bolts on directly onto your original factory intake runner base in 1/2 an hour or so.
4) NEW! Our latest expanded range of LS1/LS2/LS7 hydraulic roller camshafts continues to grow. Will at least another 10 new grinds ranging from 228 degrees @.050" duration up to 275 degrees duration @.050" for the full on big capacity engines. Extensive testing has now been completed and the results are fantastic. In fact the 427ci engine shown above has a pretty mild (for the size of the engine) new grind fitted. This is our part # LSCH-936 236 degrees intake duration @.050" and 246 degrees duration @.050", .560" lift on both and ground on 114 degree lobe centres for excellent idle and broader torque spread in the bigger engines from 6 litres up. Our cams are all $660.00 and our own designed conical springs to suit including chrome moly retainers are $440.00 for both. As with all COME Racing's LS1 cams, they make the most power and torque, have the quietest valvetrain operation and will produce the longest life valvetrains of any other brands. These are facts which many Australian performance shops and engine builders have discovered over the last year or so and have switched to our products primarily because of these factors and our enormous range of real dyno and in car developed grinds. Call or email for our full listings.
5) Ever popular, our COME Twin Throttle body intake manifold for the Holden EFI V8's from 1989-99. This manifold has become a household name in the peformance industry and sells as fast as we can make them because they really work. We do not recommend these for stock or very mild 5 litre engines as the loss in low down torque reduces potential off the line acceleration. They are perfectly suited to the stroker engines from 355ci upwards. On typical troker engines these manifolds will increase power by a minimum of 40kw over the original single throttle body manifold. For the price of $2500.00 delivered to your door, this is really the Holden V8's performance bargain of all time. This intake is also excellent on boosted 5 litre engines or strokers. The design has no peer in the reduction of manifold air temps reducing the injector size requirements and the ability to add significantly more spark to boost throttle response and torque.
6) Traditional Small Block Chev forged 4340 steel cranks have never been cheaper! We have too many of our 383 (3.750" stroke), 400ci (3.750" stroke and 400 main size), 400ci (3.8750" stroke 400 main size), 400ci (4.00" stroke 400 main size). This is your gain...they are all available for...$650.00 each plus freight. We also have some Big Block Chev 4340 steel forged cranks with 4.250" strokes for...$750.00 each plus freight.
7) COME Racing's latest 2007 series alloy heads for (VN EFI style) Holden V8 are...$2500.00 bare and complete with stainless 2.02" intake valves and 1.600" exhausts fully assembled with 3 angle valve job, blended bowls, cc'd chambers (to your needs), fitted with our famous dual coil 1.450" springs and chrome moly retainers (will handle flat tappet cams and hydraulic roller cams to .650" valve lift) for...$3500.00 complete plus freight.
8) COME Racing BILLET 4340 steel cranks...Holden V8 355, 383, 396...$2200.00 each.....Series II and Ecotec V6 3.8 and 4.2 Stroker billet cranks...$2200.00 each.....LS1 4.00" Stroke billet cranks...$2500.00 each. You will not find stronger cranks for these engines anywhere. Meticulously carved from full round 4340 steel billet bar, CNC machined, blueprint gound, nitride heat treated. Ideal for endurance or extreme boost applications.
9) COME Racings S.T-3 performance cylinder heads, available on a changeover, we do yours or outright basis. All one price...$1995.00 exchange or we do yours. Call for outright prices. Heads all feature full acid cleaning, crack testing, steel shot blast cleaning, full porting, 3 angle valve seats, new HD valves, LT1 springs for V8 Holden (cam lifts to .500"). Ecotec V6 versions have the above features but include our special LS1 conical springs and chrome moly retainers. Heads are cc'd with gasket faces milled to provide the compression ratio your combination needs and fully assembled ready to bolt on. Instant power makers as used in our V6 and Holden V8 engine packages. Also available for LS1 engines for...$2500.00 a pair changeover.
For any urgent questions during working hours, Trade Enquiries or orders please email workshop@comeracing.com or phone us during business hours (8.30am-5.00pm Monday to Friday) on (03)9571-4204.
Trade customers wishing to be added to our expanding mailing list please forward us your company details including full premises address, business name, phone and fax #'s, contact person and email address if available.
5:04:53 PM
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Thursday, 26 April 2007
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Holden Stroker Kits and cranks
Highest quality, lower prices!
The COME Racing Holden V8 and V6 stroker cranks and kits are the most popular in Australia by a huge margin. With great strides in production efficiencies we are now offering our cranks and kits at hugely discounted prices...PERMANENTLY. There is now no excuse for rebuilding or modifying your Holden V8 without stroking it to a 355ci or 383ci capacity. All COME cranks are fully machined on our Berco production crank grinders to maximise accuracy of journal sizes and perfect indexing to ensure journals are exactly 90 degrees apart for maximum engine smoothness and power output. You do have alternatives with other cranks on the market, some at even lower prices than ours. If you want the best quality and strongest cranks on the market and at the best prices you now have no need to go by price alone. There is also no need to compromise on buying a cheaper kit with lower power potential pistons or other such components so you cannot upgrade power safely a little down the track when you get greedy for more. All our kits for street/strip applications feature 4340 grade steel connecting rods with ARP bolts and the toughest performance pistons in the industry.
355ci Holden V8 Stroker kit, comprising our proven nodular cast iron 3.484" stroker crank with perfectly indexed rod journals, journal sizing taper and ovality tolerance under .0002" variation. Our 4340 forged steel 5.7" "I" beam conrods with ARP bolts fully machined on our Sunnen powerstroked rod hone to under .0002" tolerance. World famous Keith Black Hyperuetectic alloy pistons in your choice of oversizes and compression ratio options from 9:1 up to over 11:1 Pistons are fully fitted to rods and aligned. The finest moly ring set from either Wiseco, Hastings or Speed Pro is supplied along with premium King rod and main bearing sets. The whole rotating assembly is computer balanced to under 2 gram tolerance with all pistons and rods match weighted. kit price...$1995.00 Note: This kit is designed for power levels up to 500 bhp.
Instead of numerous confusing different kits we have simply made the above 355 kit our baseline version with the following optional components and pricing. Basically, you choose the options you need and add the extra cost to the baseline kit price.
Options:
1) 355ci billet 4340 steel crank. The absolute most accurately made and strongest crank available ANYWHERE for the Holden V8. These cranks are CNC machined from a round solid bar of the finest 4340 grade steel and finished on our production Berco grinders for the ultimate in accuracy with final heat treatment to provide the toughest wear surfaces possible. They are ideal for those who just want to have a steel crank in their engine at a bargain price, for boost engines, N2O and endurance competition and serious Drag Racing applications they are a must. ADD...$1200.00 to the above kit price to include our billet steel crank in your kit.
2) COME 4340 steel "H" beam rods. COME rods are not your run of the mill mass produced imported rods so common on the market. We make them from the finest 4340 grade steel forgings which are fully heat treated and shot peened, add ARP 7/16" capscrew fasteners, precision finish hone both big end and small ends on our Sunnen powerstroked rod hone to under .0002" tolerance for size and taper. All sets are match weighted for ease of balancing and are stroker friendly to ensure minimum block clearancing is required. To option our "H" beam rods in your stroker kit ADD...$500.00 to the above kit price.
3) WISECO forged racing pistons. For those needing a custom application piston or the ultimate strength of a forged design you simply cannot surpass the world famous Wiseco brand. We have these pistons in all our current race engines and all our customers street and race engines with incredible reliability. The best part about these is we always know the consistency of the machining is second to none. This makes every engine builders job that much easier. We have optional Wiseco pistons for all applications from high compression street or race to low compression boost applications always on the shelf. They are supplied with Wiseco's matching moly piston ring sets in balance match weighted sets. ADD...$990.00 to the above kit price to include Wiseco forged pistons in your stroker kit.
383ci Holden V8 Stroker kit, comprising our proven nodular cast iron 3.750" stroker crank with perfectly indexed rod journals, journal sizing taper and ovality tolerance under .0002" variation. Our 4340 forged steel 5.7" "I" beam conrods with ARP bolts fully machined on our Sunnen powerstroked rod hone to under .0002" tolerance. World famous Keith Black Hyperuetectic alloy pistons in your choice of oversizes and compression ratio options from 9:1 up to over 11:1 Pistons are fully fitted to rods and aligned. The finest moly ring set from either Wiseco, Hastings or Speed Pro is supplied along with premium King rod and main bearing sets. The whole rotating assembly is computer balanced to under 2 gram tolerance with all pistons and rods match weighted. kit price...$2200.00 Note: This kit is designed for power levels up to 550 bhp.
Instead of numerous confusing different kits we have simply made the above 383 kit our baseline version with the following optional components and pricing. Basically, you choose the options you need and add the extra cost to the baseline kit price.
Options:
1) 383ci billet 4340 steel crank. The absolute most accurately made and strongest crank available ANYWHERE for the Holden V8. These cranks are CNC machined from a round solid bar of the finest 4340 grade steel and finished on our production Berco grinders for the ultimate in accuracy with final heat treatment to provide the toughest wear surfaces possible. They are ideal for those who just want to have a steel crank in their engine at a bargain price, for boost engines, N2O and endurance competition and serious Drag Racing applications they are a must. ADD...$1200.00 to the above kit price to include our billet steel crank in your kit.
2) COME 4340 steel "H" beam rods. COME rods are not your run of the mill mass produced imported rods so common on the market. We make them from the finest 4340 grade steel forgings which are fully heat treated and shot peened, add ARP 7/16" capscrew fasteners, precision finish hone both big end and small ends on our Sunnen powerstroked rod hone to under .0002" tolerance for size and taper. All sets are match weighted for ease of balancing and are stroker friendly to ensure minimum block clearancing is required. To option our "H" beam rods in your stroker kit ADD...$500.00 to the above kit price.
3) WISECO forged racing pistons. For those needing a custom application piston or the ultimate strength of a forged design you simply cannot surpass the world famous Wiseco brand. We have these pistons in all our current race engines and all our customers street and race engines with incredible reliability. The best part about these is we always know the consistency of the machining is second to none. This makes every engine builders job that much easier. We have optional Wiseco pistons for all applications from high compression street or race to low compression boost applications always on the shelf. They are supplied with Wiseco's matching moly piston ring sets in balance match weighted sets. ADD...$990.00 to the above kit price to include Wiseco forged pistons in your stroker kit.
383ci Strokers...fact and fiction...
Our competitors would have you believe that Holden 383 stroker engines.....
Wear out more quickly...won't have high rpm potential...won't make more power than a 355...wear out cylinder bores due to higher piston side loads...are much more expensive to build...will blow up more easily...will use more fuel...amongst a host of other lame excuses as to why you should buy their 355ci stroker kits and ONLY build a Holden to a maximum of 355ci
FACTS...383ci Holden engines easily last as long as any other Holden V8...We have built customers 383's since 1993 some of which have done over 300,000kms and they are still running. We've had at least 100 of these engines back in our shop over the years for rebuilds and absolutely normal wear patterns were obvious. No unusual "side loading" of bores to create rapid wear or split bores. Our powerful engine packages like the "Ultimate" or S.S-3 versions with large port cylinder heads and unrestricted intake manifolds make insane power levels and their biggest feature...incredible torque. Well above anything any 355 could ever hope to achieve. They also achieve these power levels at lower rpm levels for more long term reliability and life potential. YES, they have always been MORE expensive to build. Now with our new pricing levels the gap is very marginal. Only slightly more block clearancing is required over that needed for the 355. Particularly with our EFI 383 engines customers report lower fuel consumption than even stock 5 litre engines when driven sensibly. With so much more torque on hand large throttle openings are simply not required to rapidly accelerate the car. This keeps the engine in closed loop mode much longer actually reducing fuel consumption. If you need any more convincing look at our own Torana's 383 race engine...over 500 1/4 mile passes making over 850 bhp and the crank is still the same one from way back in 1996. Look at Darren Parker's VP SS Commodore reliability results shown in a recent weblog entry below (scroll down for details). Finally look at Eddie Tassone's world record holding twin turbo 383 Holden V8 with over 1890rwhp, 8.1 second 1/4 mile times @ 178 mph. Ask Eddie what he thinks about COME components and particularly our Holden 383 cranks. NONE of these race 383's doing well over 7000 rpm has EVER "blown up".
TALK IS CHEAP...FACTS SPEAK FOR THEMSELVES.
COME HOLDEN STROKER CRANKS
355ci Nodular cast crank, Holden rod journals…$770.00 plus freight.
355ci Nodular cast crank, Chev rod journals…….$770.00 plus freight.
355ci 4340 steel billet cranks, Chev rod journals…$2200.00 plus freight.
355ci 4340 steel billet cranks, Holden rod journal.$2200.00 plus freight.
383ci Nodular cast crank, Chev rod journals……$900.00 plus freight.
383ci 4340 steel billet cranks, Chev rod journal….$2200.00 plus freight.
395ci 4340 steel billet cranks, Chev rod journal….$2200.00 plus freight.
Note: All the above COME cranks have in house designed counterweights to enable easy internal balancing. Production or aftermarket neutral balancers and flywheels designed for 304/308 Holden V8’s can be bolted right on.
Call us Monday to Friday 8.30am to 5.30pm on (03)9571-4204 or email come@comeracing.com Trade customers or urgent enquiries to workshop@comeracing.com
8:11:31 PM
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Friday, 6 April 2007
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Ecotec V6 4.2 litre Blower engine

The Ecotec Holden V6 has come a long way. With our development of a full range of performance parts for these engines there are new limits to their capabilities. The engine shown above started as one of our off the shelf outright crate motors to suit boost applications. This engine is sold as a long motor outright for $10,500.00 fully dyno run in, in normally aspirated form ready to receive whichever form of boost setup you prefer, blower or turbo. This particular customer supplied us with a very large (too large) Vortec blower and full kit including intercooler, blow off valve, injectors, fuel pressure regulator, pulleys etc. to complete the blower installation. Unfortunately the regulator was faulty, the lower pulley did not fit the stock balancer and we had to do major fabrications, the top blower pulley was way too small for an engine this size and a new $400.00 version was needed. There were many other small items needing to be done and other pieces fabricated to make this a viable installation. Buyers need to keep these factors in mind when buying a $10,000.00 plus blower kit that is supposed to be a "simple" bolt on. Using the latest Kalmaker Mafless boost software and fitted with our newly developed Twin Throttle Body Ecotec intake manifold plenum this little "midget" engine displacing 256ci (just under 4.3 litres) made 505 BHP @ 5750 rpm and 424 ft.lbs torque @ 4500 rpm Maximum boost at 5750 rpm was 14.5 psi
The size of this blower being clearly too large was evident in boost lag below 3500 rpm. In fact we saw 3-4 psi @ 2750 fully loaded at which point the engine made 291 ft.lbs torque. By 4000 rpm the boost was rushing in at 8-10 psi and 415 ft.lbs was registering. At the peak rpm of 5750 peak torque of 461 ft.lbs hit home. Now considering the size of this little engine, pump fuel being used and VERY, VERY conservative tuning this power/torque is pretty astonishing when one looks at the low rpm range.
We still feel a smaller blower would have worked better to maximise overall results and reduce the lag that most people associate with turbos. Trust me the blowers if too big are no different. Nevertheless considering the results you could easily shove this little monster into a typical VS Commodore with a set of 3.9:1 diff gears, slicks, optimised exhaust system and say a boost friendly torque converter with about 2800 rpm stall speed and easily run high 10 second 1/4 mile times. Then just drive it home and achieve great fuel economy. The latest "self learn" feature of the Kalmaker software optimises the fuel curve almost itself in no boost cruising situations off the normal dual O2 sensor imputs and keeps the engine clean and efficient at part throttle.
Engine specs: COME 4.2 litre stroker crank (nodular iron) 3.700" stroke, custom length "H" beam 4340 steel rods, Wiseco forged 8.2:1 compression forged pistons, fully ported Ecotec cast iron factory cylinder heads which flow over 350 bhp through intake ports, COME CSBR-523 hydraulic roller camshaft, Speed Pro lifters, COME Conical valve springs and chrome moly retainers, single row timing set retaining balance shaft for street smoothness, blueprinted production oil pump, fully prepared block with line honed main tunnels, bored and torque plate honed to +.030" oversize, deck surfaces machined and equalised with "O" ring grooves cut and "O" ring wire fitted, Ridgecrest custom made copper head gaskets fitted. Production rocker arms and pushrods retained. They are very strong pieces and everyone throws them out...how stupid can you be? Use them they are tough pieces. Only the pushrods need replacement if you are going to really "turn" the engine very hard. New COME Twin Throttle Body intake plenum fitted on port matched stock Ecotec intake runner base. Stock PCV breather system eliminated to prevent interraction with boost application. Will need external breather setup via rocker covers to catch can or more elaborate breather system.
NEW PRODUCTS
1) We have just completed our latest billet 4340 steel crankshafts to suit Ecotec V6. They are available in stock 3.400" stroke or our popular stroker version. Either one is on the shelf ready for immediate delivery for $2200.00 each as a special introductory offer. These are the strongest and most accurately machined cranks you will buy anywhere for the Ecotec V6 being used in extreme applications or endurance racing. In addition we've made some matching Ecotec (stock length) "H" beam 4340 steel conrods to go with the stock stroke cranks. These are $990.00 a set or purchased with a crank together both will cost you $3000.00
2) We've also completed a small batch of our billet 4340 steel crankshafts to suit LS1/LS2 Chev V8's. These are counterweighted 4.00" stroke cranks featuring ease of balancing with almost any bobweights and not requiring mallory metal. They have traditional Chev 350 2.1" rod journal diameter and widths and our introductory price is $2500.00 They can also be ordered as part of our complete 383, 408 or 427ci stroker kits including our latest design "H" beam rods and Wiseco custom normally aspirated or boost piston sets. Call for deals on complete kits. There are no other kits on the market as strong or accurately made as these parts.
Latest specials
We are continuing our great deals on most of our products:
1) COME EFI V8 Holden Twin Throttle Body intake manifolds including billet throttle body and intake snorkel for $2500.00 delivered anywhere in Australia. Still the most popular, most effective power maker and best looking EFI intake available anywhere for the Holden EFI V8.
2) COME Holden V8 383ci Stroker kits FULLY BALANCED. Our most popular 9:1 compression kit including our 8 counterweight nodular crank, "I" beam 4340 steel rods and supe strong Keith Black pistons with moly rings, rod and main bearings all for $2750.00 delivered anywhere in Australia. The 10:1 compression kit is a bargain at $3000.00 delivered in Australia...Why would you bother doing a 355? Be really competitive with the LS1 V8 Commodores. We also have a full range of Australia's most popular 355 Stroker kits at bargain prices for those on a budget. The best quality and most accurately machined components in the industry are now even more affordable. Call and ask for our "internet" deals.
3) LS1 408ci short motors, featuring brand new 6.0 litre LS2 blocks, our complete 408ci stroker kit is fitted with forged Wiseco pistons, 4340 steel "I" beam rods and our super strong nodular 4.00" stroke crank. Assembly is fully balanced internally, fitted with your choice out of our COME LS1 camshaft range. The most powerful cams on the market bar none with the added advantage of quiet valvetrain operation and longest possible valvetrain life. This short block is a gift at $8000.00 outright, fully assembled and DELIVERED anywhere in Australia. A 427ci version with brand new LS7 alloy block is only $13,000.00
4) 4.2 Ecotec S.S-3 EFI engine. Your choice of power levels up to a very streetable 235 kw and over 430 nm torque. Supply us your complete Ecotec V6 and we will build this engine top to bottom including our new Twin Throttle Body intake (supplied) for $9900.00 Freight is additional to this price although we have very good freight deals around Australia. Engine comes fully dyno run in and optimised ready to drop in and enjoy. V6 insurance rates with V8 power and torque. These engines are also available as outright long motors without ancillaries. Call for pricing depending on which parts you can or cannot supply to complete the engine.
5) COME Racing alloy 400ci V8 engines outright. Direct replacement for the popular Holden V8 although with 500 bhp and 500 ft.lbs torque. Your early Holden or Commodore will never be the same. Carburettor version $20,000 EFI version $22,500.......BOTH in stock. These are a real crate motor with the finest components installed and dyno optimised ready to go. For these prices it's almost crazy to rebuild an old engine.
We are doing deals on all our engine packages and components, particularly for those buying multiple parts at one time to achieve a certain build up. Call us during business hours 8.30am to 5.30pm Monday-Friday on (03)9571-4204 or email come@comeracing.com Trade or urgent enquiries please to workshop@comeracing.com
10:10:58 AM
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Sunday, 25 March 2007
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Holden Ecotec V6 manifold test
Ecotec V6 manifold development
Extensive development and testing over the part 15 months has finally yeilded a great bolt on for Ecotec V6 owners. Fitted to an 8.2:1 compression 4.2 litre Ecotec stroker engine on our engine dyno the facts speak for themselves. With peak power of 241 BHP @5500 rpm with stock intake and throttle body the new COME intake plenum with billet dual 58mm throttle bodies produced 266 BHP @5500 rpm. The best part however was something we were really looking for and that was the awesome torque curve improvement. At 2750 rpm the stock setup made 238 ft.lbs the COME intake had 264 ft.lbs Peak torque for both occurred at 4250 rpm, 260ft.lbs for the stock intake versus 278 ft.lbs for the COME intake.
Note, the same stock MAF was fitted for both tests. Tests were conducted within one hour of one another and the atmospheric conditions remained reasonably similar with conditions becoming worse rather than better as the day proceeded. Optimum software tuning was applied to both setups and as we expected with the more efficient new manifold, we cut back on the fuel curve to maximise results. Incidentally, stock VS Ecotec #973 injectors were being employed in this baseline test and had plenty more room before running out of fuel flow needs for this engine. This is the same trend we experience with our V8 Twin Throttle Body intake and the results for that piece are well documented.
The Ecotec manifold we have developed will really open up the Ecotec performance potential for all applications including normally aspirated or boost setups. The best part of course is the fact that our intake plenum is a simple bolt on. It bolts on in place of the original plenum on top of the stock intake runner base. The original base is a very effective peice and can easily be ported for maximum effort so there was no point replacing the "good" factory base. The problem all along has been the plenum and throttle body assembly. In fact, bolting one of these new Twin Throttle Body plenums on even a stock Ecotec 3.8 will yeild instant significant power and torque gains. Add a little cam and software upgrade and 50 bhp gains will be easily achieved.
We still have a few small items to finalise in the design, primarily an intake snorkel setup, correct linkage on the throttle body to mate with production accelerator cables, some detailed changes to allow additional vacuum ports and finally an alternative PCV valve system which will be more desireable for strokers or boost setups. Basically, the hard work is done and we expect to have the new manifolds available for sale within the next 6 weeks or so. Final price has not been determined yet. We are hoping to offer the manifold plenum, billet throttle body and intake snorkel for around $1700.00 If a price close to this is finally feasible, this bolt on is the biggest Ecotec power versus cost bargain you will ever find. More importantly it will move this engine into a realm not seen before. The manifold will raise the bar for much greater power outputs for the Ecotec V6 no matter if it is built as a stroker, stock 3.8, boost, N2O or normally aspirated.
As with our Holden V8 engine packages, we will be offering fully built 4.2 stroker engines already fitted with our new intake as changeover engine packages or available as outright buys in the "crate" engine form so common today. There is really no reason now that our typical 220kw Ecotec 4.2 litre V6 cannot now be available as a 230-240kw engine package in normally aspirated form. We envisage these engines to be sold exchange for around $10,000, fully dyno run in and optimised including the new manifold.
V8 News:
Our LS1 V8 range has just grown to include new 427ci short and long motors on an outright basis. Including brand new LS7 alloy blocks, our COME 4.00" stroke cranks, 4340 steel rods, Wiseco forged pistons, new design COME Racing camshaft profiles (developed especially for the 427's). Short motors outright start at $13,000 outright fully assembled, blueprinted, balanced and include high volume blueprinted oil pumps, timing case covers, valley covers, camshaft, timing set. Long motors are also available including the latest GM cylinder heads fully set up with our matching valve springs and chrome moly retainers, lifters, rocker arms, Manley moly pushrods. Engine includes the latest GM composite intake manifold to match the awesome 258cc port runner heads which flow over 660bhp through the intake ports with large valves. Engine fully assembled ready to simply fit your oil pan, valve covers, coils etc. and bolt it in. The long motor cost is $17,000 Supply us your bolt ons and we will dyno run the engine in and optimise the software for $1100.00 This is an awesome daily driver powerhouse with enough torque to tear down houses. 600+BHP and 600+ft.lbs torque will simply shed all your inhibitions about wanting boost setups and other such engine killing mods. Lift the bonnet...looks like a stocker! That's the way it should be in this day and age of tougher than ever Police and EPA crack downs on performance cars.
Note also we have our 408ci LS1 short and long motors also available at great prices as well as our ever popular Holden V8 components and engine packages. We are doing deals daily on all our product range. Call and ask for your best deals. Big discounts are available on all our components range for customers purchasing several items at one time to complete their buildups. Call us on (03)9571-4204 or email come@comeracing.com Trade customers email us at workshop@comeracing.com
1:50:21 PM
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Monday, 12 March 2007
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383 Holden reliability and performance

383 Holden EFI...9.98 E.T @133 mph
Darren Parker and his VP SS Commodore ran an excellent 9.98 ET and backed it up with a 9.99 finishing runner up in the recent Summernationals at WSID in Sydney. Just last weekend Darren did it again by winning the West Coast race in Perth. The COME 383 has done almost 500 passes in Darren's Commodore. The engine was freshened a 2nd time late last year and still has one of our nodular cast cranks and Keith Black hyperuetectic piston. On this most recent birthday we decided not to be greedy and change the rods and pistons. 500 passes is a lot of work and we can't complain about "street" type components not giving us incredible value for money. In fact, the cast crank looks like new, has no cracks (after all that work) so it went back in. A new set of COME "H" beam rods and custom Wiseco forged pistons were also fitted to complete the upgrade.
This engine is based on our 383 Ultimate EFI Holden but has optional solid roller cam and valvetrain, makes 550 bhp on our engine dyno and crosses the finish line just over 7000 rpm every run. You won't find find too many combinations as effective and reliable as this for a weekend Bracket Racer application or for street strip use with it's normal hydraulic roller valvetrain and pump fuel version putting our over 480 bhp year after year.
If you are building a Holden V8 as we've said before, give the 383ci capacity stroker a strong consideration. Everyone immediately opts for the 355ci strokers without realising the incredible benefits of the 383 version. To entice everyone considering which capacity stroker to go for we have the following special deals to consider:
1) 383ci 9:1 compression Stroker kit including our 3.750" nodular cast centre counterweighted crank, "I" beam 4340 steel forged conrods, Keith Black hyperuetectic 9:1 compression pistons (up to 9.5:1), moly rings, rod and main bearings and the whole assembly is fully balanced internally...$2750.00 delivered anywhere in Australia.
2) 383ci 10:1 compression Stroker kit includes everything the above kit has plus features higher compression Keith Black hyperuetectic pistons and your choice of press fit or fully flaoting COME "I" beam con rods. The kit is fully balanced internally...$3000.00 delivered anywhere in Australia.
If you are one of those people who must have the best and want either kit to include our latest billet 4340 steel crank just add...$1500.00 to either of the above prices.
There are even bigger deals available for purchases of crank kit and any of our other components at the same time. You will really save money if you order crank kit, our EFI Twin Throttle Body intake manifold and cam, lifter, chip combinations and/or our latest 2006 VN style alloy heads. This also takes the guesswork out of combination building and final tuning hassles. Basically, machine your block, put the whole lot together and turn the key.
For those not wanting to do the work themselves we have some great fully built engine combinations to satisfy every budget and power need. You also need to consider our all alloy crate motors. Our complete 400ci all aluminium engines are on the shelf ready to deliver. We have carburettored "Street" 400ci alloy engines ready to go for $20,000. These killers make a totally streetable 500 + BHP and 500+ ft.lbs torque...ON PUMP 98 FUEL. EFI versions are also ready to go for $22,000 These engines use the same cranks, rods and Keith Black pistons found in Darren Parkers race winning engine, so you know they will last many many years in street and occassional strip applications with virtually maintenance free hydraulic roller valvetrains.
LS1 crate motors
We haven't forgotten the late model Commodore owners either. To make performance upgrades easier we have embarked on a crate motor program for the LS1/LS2 style engines as well. Initially, we will be offering easy upgrades for LS1 5.7 litre owners in the form of 408ci short motors. By retaining your complete LS1 top end and simply adding one of our "brand new" 408ci short motors you instantly have 550+BHP and 550+ft.lbs torque to play with with stock LS1 heads and intake manifold. Our 408 short blocks come completely assembled and blueprinted with our ever popular 4.00" stroke nodular crank, new crank angle sensor, "I" beam 4340 steel full floating con rods, custom Wiseco forged pistons, moly rings, new rod and main beaings with the whole assembly fully balanced internally and all fitted into a brand new GM 6.0 litre alloy block. These short blocks include our now famous COME LS1 camshafts (you have a big choice of grinds) and timing set. Short block price, outright, delivered in Australia...$8000.00 Add $500.00 for "H" beam conrods.
Other combinations will be available soon, including turn key outright engines and long motors. Call or email if you have any specific queries about our latest deals. We are fighting inflation with lower prices on the best quality components in the performance industry. Your support over the last 25 plus years has enabled us to streamline production volumes and costs so we are passing the savings on wherever we can. Call on (03)9571-4204 or email come@comeracing.com
Trade customers...email workshop@comeracing.com or phone Sam or Issy on (03)9571-9605
4:39:50 PM
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Saturday, 27 January 2007
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427ci COME alloy engine # 1
The first COME Racing all alloy 427ci street, pump fuel engine is going together right now. Got an early Holden, Hot-Rod, Kit car, 4x4, truck, Trike or any project car you want to make absolutely unique while having as much or more power and torque than almost anything available in mass produced crate motors? This is the engine to invest in!
The only true hand built all alloy complete V8 engine designed and built right here in Australia. Our block, cylinder heads, intake manifold, camshafts, crankshafts and connecting rods are all designed and built right here to be the most durable, cost effective performance powerplant available in Australia at any price. The beautiful part is the fact that it bolts right into any car originally built with the one and only Holden (Plastic) V8 and is very easily adapted to bolt into virtually any chassis.
This complete pump fuel engine in various power levels from 550-600 bhp and well over 550 ft.lbs torque, dyno run in and optimised is $25,000 Compare this to a fully built production engine with similar power. In most cases stroker versions costing a lot more money will be required to match the COME alloy 427. Frankly, you will realistically need a very costly engine buildup with blowers, turbos or N2O to compete with the power to weight potential of our 427 alloy engine. When all is said and done, the asking price of our alloy 427 is more than reasonable if you do your comparison sums accurately.
New Product:
We now have available forged 4340 steel "H" beam rods to suit stock stroke Holden Ecotec V6 engines. Many customers have asked for these rods in stock centre to centre length. The pin end bore size is the same as the Supercharged V6 rod with .905" bores. These balanced rod sets are $990.00 We also have available matching low compression blower/turbo pistons as well as high compression versions to suit these ro | | | | | |