compression ratio with 75cc chambers?
08-24-2011, 08:34 PM
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compression ratio with 75cc chambers? im considering sending out my 317's to get ported and polished and i was told i could have the chambers enlarged to 75cc or so. can any one tell me what my compression ration would be on a stock bottom end lq9(flat tops pistons) with the factory headgasket? figure its a little bit of insurance since im running pump gas
