Thread: 351w Buildup
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Old 03-12-2004, 06:00 AM
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Bruce Edwards Bruce Edwards is offline
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Join Date: Oct 2003
Location: Winter Park, Fl
Cobra Make, Engine: Hunter with a 4.6 supercharged
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Tony I see a lot of post about stroked engines on this site and I do not get it. Why spend the money to stroke a 351 to 427? Why not just get a 390, 410, 428 instead? I can see stroking an engine for a stump puller that needs the extra bottom end power to get the thing moving but most Cobra's are only around 2,400 lbs. It is not like you can not spin the tires. A stroked engine will not rev as fast or as high as a more square engine, bore and stroke close to the same, due to the added dwell time of the piston at the bottom and top of the stroke. That plus the added weight of the parts flying around inside the block also has an effect of slowing the rev ability. A heavy part is harder to get to change direction than a lighter one.
So again I do not understand why this would be a good idea in such a lite car. The 351 will push 400+ hp with out all of the work of stroking and the expense that is involved in doing so. Plus it will rev faster and higher so it will go of the line faster and have a higher top end. So again I do not get it what am I missing?
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