03-28-2022, 11:44 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
If it was exactly 9.9:1 before and you don't had heads cut .004" then you approximately knocked off a cc, which would raise your compression ratio about .1 of a point. So you're still at around 10:1.
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