Generation IV Internal Engine - 6.0 block with l92 heads
05-17-2012, 04:24 PM
Just bought some parts off a guy at a real good deal. I got a 6.0 cast block, a new set of cnc ported l92 cyl heads, a set of diamond pistons bore 4.030, comp height 1.125, rod length 6.125, effective volume -1.8cc, and cam is comp 244, 254 duration at .050, lift is .612, .622. Plan on buying a callies crankshaft, and callies hbeam rods. Is this a good combo and does anyone see any concerns i need to address. This is going in a 02 ta ws6, m6. Thanks for any help.
05-18-2012, 08:45 AM
That cam is on the big side for LS3 heads, especially for a 370 cu in engine. Plus it might cause ptv issues.
05-19-2012, 03:43 PM
its a 408, not a 370
05-19-2012, 03:52 PM
For a 408 that's a decent cam, just make sure that the pistons have valve reliefs cut in otherwise you might have PTV issues especially with milled heads.
05-19-2012, 04:28 PM
The pistons dont have valve reliefs, but the heads arent milled
05-19-2012, 05:21 PM
Just checked the pistons, they do have valve reliefs in them. Does anyone know what kind of hp i should be looking at out of this set up. I just ordered a fast lsxr 102mm intake, what tb do i need to go with.
05-19-2012, 08:31 PM
Should make 600. Make site the pistons have reliefs for the l92.
05-19-2012, 08:42 PM
Yeah they do, they were ordered from diamond for the l92 heads
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