Brian71malibu
Sep 7th, 04, 5:11 PM
How much will the compression rise going from a 72cc to a 64cc head? and how much would it rise from a 72cc to a 64cc? Considering i have 72cc heads now and about 8.5:1 CR.
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SSMAN69 Sep 7th, 04, 5:16 PM .1 per cc change. 10 cc is 1 point of compression approx. | ||