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Re: Compression ratio converted to PSI
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Posted by Maybe,,, on September 06, 2006 at 16:33:36 from (66.228.96.177):
In Reply to: Compression ratio converted to PSI posted by Brad in WI on September 06, 2006 at 02:14:17:
Just a guess,,,,, 100 psi 5 to 1 120 psi 6 to 1 140 psi 7 to 1 160 psi 8 to 1 180 psi 9 to 1 200 psi 10 to 1 220 psi 11 to 1 240 psi 12 to 1 260 psi 13 to 1 280 psi 14 to 1 300 psi 15 to 1 Thats just a guestimated pressure to compression ratio at cranking speed. There is no real way to make it exact, unelss you spec the engine out at 14.2 to 1 etc etc then run a compression test to get a relative psi number at cranking speed.
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