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Which gasket for my Ls2?

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Old Jun 8, 2012 | 06:02 PM
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Default Which gasket for my Ls2?

So two different company told me two different gaskets to get for my stock ls2 with 317 heads to 9:5:1 compression, the is a turbo build project


The first guy said: Bore: 4.130 with a .060” thickness would yield an approximate compression ratio of 9.55:1. Bore: 4.130 and .070" thinkness will result in a slightly lower compression ratio of 9.36:1.

the second guy said It would require a .080 gasket which is really thick so we don't recommend it. , also, it would be custom

So which one would get me to my goal? thanks for your help
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Old Jun 8, 2012 | 06:03 PM
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P.s there flat top piston
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Old Jun 11, 2012 | 09:49 AM
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For a stock LS2 bottom-end and stock 72cc chamber 317 heads, you'd need about an .080" thick gasket to get down to 9.5:1 static compression. Personally, I'd rather run a bit higher compression with a reasonable quench rather than lower compression and a loose quench.
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Old Jun 11, 2012 | 04:43 PM
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Originally Posted by Matt@Texas-Speed
For a stock LS2 bottom-end and stock 72cc chamber 317 heads, you'd need about an .080" thick gasket to get down to 9.5:1 static compression. Personally, I'd rather run a bit higher compression with a reasonable quench rather than lower compression and a loose quench.
Thanks for the help, im going to try the ls9 gasket out
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Old Jun 11, 2012 | 04:46 PM
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Anytime! We keep the LS9 gaskts in stock and can usually ship the same day they're ordered!

http://www.texas-speed.com/p-2129-gm...ividually.aspx
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