Thread: Crate motor upgrade?
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06-04-2008 11:18 AM #8
Those are steel heads. Max valve lift = 0.560. Probably need at least 89 octane at 9.0 to 1. Match a cam to the carb, intake and headers, and you should gain siginificant horsepower.Last edited by Henry Rifle; 06-04-2008 at 11:30 AM.
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