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Generation III Internal Engine 1997-2006 LS1 | LS6
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What is my compression?

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Old 07-22-2002, 01:48 PM
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Z00
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Default What is my compression?
I have 6.0L heads milled .035. Stock pistons.
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Old 07-22-2002, 10:38 PM
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Default Re: What is my compression?
what cc are the chambers?
what motor are these heads on?
whats the bore size?

flat top, no valve releifs?

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Old 07-22-2002, 10:40 PM
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Default Re: What is my compression?
assuming here its a 3.900 bore motor, with some where close to a 67 cc head, .054 gasket, stock stroke of 3.62 (346 inches) i am coming up with a 10.17 ratio.

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Old 07-23-2002, 08:33 AM
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Default Re: What is my compression?
Stock bore 5.7L with stock gaskets, not sure on cc of the heads. Stock valves as well.
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