08-19-2012, 09:07 AM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
If you want to stay stock stroke, look for a large truck 391 FT engine. They are the same stroke as a 427. Not sure if all were steel, but many of them were. The snout is larger diameter and must be turned down.
A local engine builder had one a few years ago, when I talked to him. I don't know if he still does.
If I was going for high rpm, I would start with that crank. Grind it smooth, to get rid of any crack initiation points. Shot peen, nitride harden, generous radius, balance, etc.
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