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Compression numbers.
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August 4th, 2012, 04:14 PM
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Racer x
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Name: Eric
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155 is good . The engine will not even fire with numbers below 125.
Stock 11.6 to 1 is about 140 ~180. I think .On one engine I run. I run 13.5 to 1 and get close to 200 psi .
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