Generation IV External Engine - ls2 6.0 vs ly6 6.0 vortex max



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ABMTex2007
06-11-2009, 08:42 PM
whats the difference between the ls2 and ly6 in the 2007-2009 1500 chevy 6.0 vortec max?

Bo185
06-11-2009, 09:57 PM
whats the difference between the ls2 and ly6 in the 2007-2009 1500 chevy 6.0 vortec max?The VortecMax is the L76 (the truck motor). It has VVT and AFM the LS2 doesn't. The LY6 is an iron block 6.0L used in the 2500HD's. The L76/LY6 have the L93 heads and intake.

The L76 is 9.6:1 comp
The LY6 is 9.6:1
The LS2 is 10.9:1

Data per GM
http://media.gm.com/us/powertrain/en/product_services/2009/09truck.htm
ABMTex2007
06-13-2009, 06:36 PM
The VortecMax is the L76 (the truck motor). It has VVT and AFM the LS2 doesn't. The LY6 is an iron block 6.0L used in the 2500HD's. The L76/LY6 have the L93 heads and intake.

The L76 is 9.6:1 comp
The LY6 is 9.6:1
The LS2 is 10.9:1

Data per GM
http://media.gm.com/us/powertrain/en/product_services/2009/09truck.htm

thanks, does it use the same block?

SweetS10V8
06-13-2009, 06:42 PM
AFM = cant cam swap without some work...
Bo185
06-13-2009, 07:49 PM
thanks, does it use the same block?

I don't think they do, but not 100% sure though.