Thread: Compression ratio?
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Old 07-20-2002, 07:20 PM
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bran3b bran3b is offline
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Join Date: Feb 2001
Location: Lakewood, CO
Cobra Make, Engine: Midstates, 460
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Question Compression ratio?
I have a 460 with a 9.3:1 compression ratio using 93cc heads. How can I figure out what the ratio would be with 75cc heads? How far can I go (10:1, 10.5:1...) and still run on pump gas at 6000' altatude?

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