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#3
03-23-2005, 12:29 AM
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Eric I'm not sure of the cc volume of your 77 heads,but assuming they're 72's.With a 0.03 overbore 389(4.063),3.75 stroke,and a .041 gasket crush volume you will need 16cc dish pistons to obtain approx 9.35:1 c/r.
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