Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 01-03-2008, 12:49 PM
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Well then I guess I will leave that ls2 manifold alone and not install it and I will run the patriot cam.
Old 01-04-2008, 06:46 AM
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Should I have the heads milled before I install them?
Old 01-04-2008, 08:31 AM
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What are the specs of the heads (243) stock?
Old 01-04-2008, 08:51 AM
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they are stock take off 243 heads off of an ls2 crate engine that was never run.
Old 01-04-2008, 12:44 PM
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You could do two things:
1- Mill the heads .018 (3.5cc) for a final 61.5cc chamber and a ~11:1 SCR with stock gasket.

Or
2-you can run a .040 Cometic gasket (or equivalent) and therefore increase SCR that way while improving quench as well. .040 gasket will reduce SCR by ~ 2.5cc

(That is with the Patriot cam)
Old 01-04-2008, 01:07 PM
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Well the heads are new. So I would prefer to run the cometic gaskets then I guess. do you know of a good place to buy them? I was just going to use one of the gm head and cam swap kits.




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