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How much Hp gain from thinner gaskets???

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Old Aug 16, 2003 | 03:13 PM
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dnz28
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From: Houston Tx
How much Hp gain from thinner gaskets???
I went to the impala gaskets this weekend and was wondering how much hp there worth and how much my compression ratio is now.By the way what was stock compression ratio?
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Old Aug 16, 2003 | 04:10 PM
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Josh-'04 GTO
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From: Petersham, MA
I believe it's around one-half point of compression over the stock head gaskets. Should be around 6-8 horsepower, based on the average of 4% gain per full point. You should be at about 10.9 now.
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