wicked thanks alot, i got a pretty good book with formulas and stuff so ill look into that more.CHRIS.O said:You will probably have 9:1 then. Im not positive because I don't know what exactly the dish in those pistons are measured at but you will be about there. There are compression ratio calculators out there that will give you a close estimate. A 64cc head with a 4 valve relief flat top piston will bring you in about 10:1 roughly depending on gasket thickness and what if any has been taken off the block. So yea, my guess would be that you would be about there.
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