9.5 Cr 383....
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Joined: Oct 2003
Posts: 290
From: Orlando, Florida
9.5 Cr 383....
My 383 actually checks out at 9.75:1 compression ratio. What type of gas should be used with this compression? Im throwing 340 rwhp to the ground with a HOTCAM and stock heads. Does compression ratio affect gas milage? Do my numbers seem right? Thanks, Brian Kaiser
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