Whats needed for L92 top end on a LS2????
03-18-2007, 04:32 PM
#1
Whats needed for L92 top end on a LS2???? ??? I was searching around and i need more info on whats needed for a L92/L76 top end setup on a LS2 base motor. I would like L92 heads/intake/ etc on my LS2. Is that possible on a stock LS2 or is there machine work required on the block etc (bore). THANKS IN ADVANCE i think i know the answer and this is a retardo thread to post due to ALL the info on the new L92 stuff but then again i want opinions from everyone that has actually done it on their LS2!!!! THANKS
03-18-2007, 05:41 PM
#3
yea thats what i figured for a long time but i was doubting myself...For some reason i was "confused" about how interchangeable they were. Anyways badass stuff thanks for the quick response, thats gonna be next on my list as soon as i get a shortblock ready "crossing fingers" "knock on wood" 
03-18-2007, 11:48 PM
#4
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You need a set of L92 heads, L92 head gaskets, an L76 intake, and some L92 fuel rails. You can mod the LS2 rails to work...I'll post some pictures of my modded rails tomorrow.
03-19-2007, 06:51 AM
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Not quite that easy. The Chambers on the LS2 heads are ~64 cc's and on the L92 heads are ~72 cc's. This will drop your compression ratio ~ 0.5 and hurt your power somewhat. The rumor is that they need to be milled (decked) 0.030 or so. This is an important step.
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03-19-2007, 10:34 AM
#8
Originally Posted by BrianF
Not quite that easy. The Chambers on the LS2 heads are ~64 cc's and on the L92 heads are ~72 cc's. This will drop your compression ratio ~ 0.5 and hurt your power somewhat. The rumor is that they need to be milled (decked) 0.030 or so. This is an important step.
Volumes:
Intake runner = 260.6cc
Exhaust runner = 90.0cc
Chamber = 69.8cc
03-19-2007, 11:01 AM
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Originally Posted by StreetnStrip
and if u got an ls2 fuel rail it will work with the l76 intake.
I suppose that you could try and bend them to make it work, but I didn't want to kink the x-over...so I opted to cut it and bridge it the right way.
They might be a bolt on when using an LS2 style injector!
Last edited by Phate; 03-19-2007 at 10:22 PM.