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LS9 gaskets with L92 heads?

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Old 05-03-2012, 10:58 PM   #1
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Default LS9 gaskets with L92 heads?

I have read that the LS9 gasket has a bore of 4.100 and the chamber width of my L92 is 4.125.. Would this matter any? Im talking a big power motor I have 1,000 to the ground from a PT101 at minimum boost (18psi) and blew a cometic the other day, noticed other head was pushing water on all four cylinders, The block feels smooth to the touch where it blew, the heads are gonna get .010"-.015" off the decks as a precaution.
2002 Trans Am 402 LQ9 PT101 PT3000 900rwhp 3,100 lbs 5.81 @ 123 5th time down track working out lots of bugs
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Old 05-04-2012, 06:29 AM   #2
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Use them. Lots of guys are using them without problems in pretty much everything, including small bore stuff like the 3.78 bore 4.8 and 5.3. Including me.
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Old 05-04-2012, 10:55 AM   #3
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I used them on my old 408 combo worked great, go for it!
63 Nova AES 410'' LSX LSA Heads, CRT 88mm Turbo, Holley EFI, ProMod Glide, 12 Bolt
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Old 05-04-2012, 10:55 AM
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71, blown, bore, cometic, forced, gasket, gaskets, head, heads, induction, l92, ls9, nova

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