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69CST6.0 · 08-04-2013, 08:43 PM

Depends on your budget which way you go. The ls3 heads will give you more power but you will need a rectangular port intake and a aftermarket throttle body if going dbc. Also the cam splits are a lot more exhaust biased for the ls3 heads. BTW 799 heads are 5.3l truck heads, They are the same as the 243 ls6 heads minus the sodium filled valves.

08-04-2013, 08:43 PM	#2
69CST6.0 Registered User Join Date: May 2012 Location: Ft Stewart, GA Posts: 37	Re: LS3 heads versus LS6 heads? Depends on your budget which way you go. The ls3 heads will give you more power but you will need a rectangular port intake and a aftermarket throttle body if going dbc. Also the cam splits are a lot more exhaust biased for the ls3 heads. BTW 799 heads are 5.3l truck heads, They are the same as the 243 ls6 heads minus the sodium filled valves.