06-09-2009, 11:50 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
I did one with a Dart block at 4.155" x 4.100". It was 445 ci and made 586hp @ 6000 on the first full dyno pull.
No reason to not go with a larger stroke though. A 4.25" stroke gets you up in the 450-460ci range depending on the bore.
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