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need to know the stock compression of a 99z28

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Old 05-14-2008, 04:08 AM
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Default need to know the stock compression of a 99z28
i not sure if the stock 99 z28's are 10.1 or 10.5.1
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Old 05-14-2008, 04:47 AM
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10.5:1
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Old 05-14-2008, 06:20 AM
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i thought 10.2?
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Old 05-14-2008, 06:35 AM
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10:5:1 stock
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Old 05-14-2008, 12:48 PM
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so...what are the other years?

i thought all ls1 engines were 10.2 and the ls6 was 10.5?
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