Quote:
Originally Posted by Andy@Livernois
I actually must disagree with this statement that the heads flow well. These heads flow substantially less than an unported LS3 head. On our CTS-v Builds we saw typical gains in the are of 30 rwhp with lower boost, cooler IAT's and of course proper recalibration as it dramatically changed the needs of the engine. The intake port was actually more than half of the gain as our initial testing involved improved exhaust ports only.
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Im new getting into the ls world, but whats the physical difference between the lsa and ls3 heads and can they be interchanged if not why?
Sorry if it seems to be a elementary question, again just new to the ls world