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compression ratio ?

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Old 02-10-2009, 09:31 AM
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Default compression ratio ?

If I was to take a ls1 383 short block and put my 72cc LQ9 Heads on it what would the compression ratio be? I believe on my stock ls1 short block I was told the lq9 heads would drop the compression from 10.1:1 to around 9.6:1.
Old 02-10-2009, 09:50 AM
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What head gasket and what is the piston to deck clearance?
Old 02-10-2009, 10:39 AM
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I'll have to find out the piston to deck clearance. Not sure on the head gasket, it's going to be a turbo application so I want one that will hold up and give me a little lower compression.




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