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Saturday, 23 April 2011
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Ecotec 4.2 Stroker engine combination
Cost effective performance!
In the real world today there are not too many bargains. For those flushed with money going straight to a V8 seems to be the popular course of action when looking for maximum performance. For the performance enthusiast, particularly you younger ones who are not quite in the money big time the Holden V6 is a real performance option.
This little normally aspirated version of the Ecotec V6 will hold its own against even the current swag of VE Commodores with 6 litre and 6.3 litre V8's straight out of the factory. Obviously not in outright power but very much so in "power to weight" comparisons.
Take a cheap donor car...VS Executive Commodore V6. Weight is about 1350kg. Add this little 4.2 Stroker combination making 312 BHP @5750 rpm and 300 ft.lbs torque @ 4750 rpm and you have a pure street car that with a set of 3.7:1 diff gears and 2500 rpm hi stall converter will easily run a mid to high 12 second time @ 104 mph over the 1/4 mile.
The car will run you anywhere from $1500.00 to $3000.00, the engine build with software tuning will tear up $12,000.00 The transmission rebuild, converter, diff gears and full exhaust will add $5000.00 tops. For a total outlay of $20,000.00 you can have a daily driver that runs mid 12's at will, still achieves reasonable fuel economy and lasts for many many years.
What? 12's are not quick enough? Add an N2O kit for track use ($2000.00) and run mid to low 11's! One needs to think today in terms of not only power to weight performance but also in terms of performance per dollar outlay. If a person seriously adds up their performance level versus total money outlay including the cost of the car it's a frightening statistic in many cases.
The engine here consists of our normally aspirated 4.2 Ecotec buildup with fully ported factory cast heads, 4.2 bottom end with COME Racing cam part # CSBR-636 (228 @.050" intake/236 @.050" exhaust duration, .570" lift on both). compression ratio of 10.25:1, COME Twin Throttle Body plenum intake replacing the stock manifold.
Building a street sleeper like this is pretty simple. We offer the engine combination in unassembled form including all parts...stroker kit fully balanced, fully machined block, new billet cam and roller lifters, full gasket set, fully ported and built heads with conical HD springs and moly retainers fully assembled, our Twin Throttle Body intake plenum, new Powerbond balancer all for $8500.00 if you supply us your engine to build from. Or, $9000.00 on an outright basis where we source an engine and supply it without an exchange. By the way, stock fuel injectors will easily feed this engine so there is no need to upgrade these to larger versions.
We offer ALL our popular engine types in fully machined unassembled form for those who prefer to do their own assembly.
COME Racing
21 Teton Court
Highett, Melbourne
Australia 3190
Phone # (03)9555-7308
Fax # (03)9555-7446
email
workshop@comeracing.com
come@comeracing.com
7:57:24 AM 
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