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old motorhead · 08-10-2011, 07:05 PM

Head porting on an LS3/L99 is a big waste of $'s. The heads are pretty darn good as delivered. If you're after every last hp and dollars/hp don't matter, go for it. Otherwise, spend your money on something else.

08-10-2011, 07:05 PM	#12
old motorhead Drives: Maggie blown LS3 vette Join Date: Aug 2009 Location: SE TX Posts: 1,490	Head porting on an LS3/L99 is a big waste of $'s. The heads are pretty darn good as delivered. If you're after every last hp and dollars/hp don't matter, go for it. Otherwise, spend your money on something else.