Thread: Whats your compression ratio?
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Old 01-03-2007, 12:27 PM
BossCER BossCER is offline
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Join Date: May 2005
Location: Riverside, CA
Cobra Make, Engine: Cutting Edge, Boss 429
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10.5:1 w/ no detonation problems on 91 pump gas. 516 C.I., port injected, aluminum head, Boss 429
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