anyone had experience with ls2 intake manifold?
The FAST will make the most power, and across the board. But its costs more than the LS6.
The LS6 will make 10-15hp less than the FAST, and is typically a budget style upgrade.
The LS2, I wouldn't use on anything performance oriented, ported or not. They leak internally that's why they suck so bad. I would only use it to get something on the road and plan to change it ASAP.
I had the TPIS/90 on my LS6 and later upgraded to a FAST 102 with the same 90mm TB. The FAST 102 is a far better solution.
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If you can scratch together the money, the FAST is the way to go. I have a 102mm FAST with a 90mm TB on it. Ive had the FAST 90mm, the FAST 92mm and now the 102mm. I can always get most of my money back out of them because they retain their value.
You know why there are so many LS6 intakes avaliable? Because everyone buys them, and they cant stand knowing there is 15hp sitting on the table. So they sell their LS6 and get a FAST.


