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TLSTWIN · 12-01-2008, 08:49 AM

I was just reading up on the LS9. I didn't realize that GM started beefing up the LS3 in 2007 and even more in 2008, and ALL GM LS3 based engines have the heavier duty block that comes with the LS9 from now on. That's good to know it could handle the supercharger.

I also didn't know that for every pound of boost, that is a 7% increase in HP. The LS9 puts out 10.5 lbs of boost.....

12-01-2008, 08:49 AM	#21
TLSTWIN Romans10:9-13 Drives: /\yes, this is me/\ Join Date: Nov 2008 Location: Vermilion, Ohio Posts: 4,435	I was just reading up on the LS9. I didn't realize that GM started beefing up the LS3 in 2007 and even more in 2008, and ALL GM LS3 based engines have the heavier duty block that comes with the LS9 from now on. That's good to know it could handle the supercharger. I also didn't know that for every pound of boost, that is a 7% increase in HP. The LS9 puts out 10.5 lbs of boost.....