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Re: Chevy/gmc 307 engine
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Posted by Mike (WA) on February 06, 2007 at 08:09:11 from (69.10.197.227):
In Reply to: Re: Chevy/gmc 307 engine posted by KJF470 on February 05, 2007 at 21:55:56:
3/4 cam is not a precise definition of anything. So called "full race" cams of the day were ground such that you had virtually no power or driveability below 3000 RPM- so pretty difficult to drive on the street. "3/4 cam" became kind of a generic definition of a grind about halfway between stock and full race- agressive enough to put you sideways when you got into it, but tame enough to drive on the street, with the added benefit of a rough idle that gave you some street cred at the Burger Barn.
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