03-12-2004, 06:43 AM
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CC Member
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Join Date: Nov 2003
Location: Dacula,
GA
Cobra Make, Engine: Porsche 928 S4
Posts: 408
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Not Ranked
Bruce, if your goal is a powerful, fast car and you're not goverened by displacement rules, the most important thing to do is to have the most displacement a given engine can reliably handle without getting into awkward rod configurations. The idea of a smaller displacement engine being faster because it can rev more freely has no merit. Yes, more rotating mass robs power and limits max rpm's but the increase in power from displacement will be far greater than that loss as well as the lower max speed of the motor.
The first thing they teach in 'how to make a car fast 101' should be to make the motor as big as possible and the car as light as possible.
As far as why not a 390 or 428 instead of a stroked Windsor? That might be cool, If I had one it would actually have around 500 cu. in. but I want to road race my car and overall weight is important too. For me, an Aluminum windsor is nice because it will be 400 lbs and the Dart block allows a 4.125 bore, a 4.0 crank fits and it will have 427 cu. in. with an acceptable 1.55 rod ratio.
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