Pump Gas Compression Ratio

mercredi 24 septembre 2014

What is a safe CR for a pump gas 496. I have been told from 10.5:1. Then another said it would rattle at the CR. What is safe for 91 pump gas? About to order pistons and want to stay safe. This is for a lake boat with a little NOS. Thanks for your help.





Pump Gas Compression Ratio

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