Quote:
Originally Posted by Yellow 1
I had the GMPP CNC heads fitted to mine, the stock LS head flows pretty well but the CNC ones are nice pieces. You can get the heads in a GM Hot Cam package or separately. With some decent long tubes hanging on these heads you'll notice a significant difference.
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Yeah I noticed the GMPP heads have a really good exhaust flow. I’m leaning towards those for the gains in flow for the price. Plus I’ll get hollow stem valves and a little more compression since it’s an LS3 head. If anyone wants to call dibs on my L99 heads just let me know because I’ll have them laying around when this is all said and done