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comp. ratio?

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09-11-2007, 07:02 PM	#1
'70_402 Senior Member Join Date: Dec 2003 Location: Pampa, Texas Posts: 1,554	comp. ratio? hey all, is there any way of telling what your compression ratio is by cylinder presssure? i have a 402 and i am running 120psi on all 8..... i have 781 heads. pretty much stock i think..... i am not real sure. thanks __________________ https://www.ebay.com/itm/29620574751...mis&media=COPY

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