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How much do you think I would gain from swapping intake/headers...

Old 02-12-2009, 07:52 AM
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Default How much do you think I would gain from swapping intake/headers...

Right now I have the following:

LS6 intake
PP TB
Pacesetter headers
tsp catted y
cutout
Vig 3600
3.73
PRC 2.5 5.3 heads
224 cam
KN FIPK


If I swap out my LS6 intake for a 90mm intake (either FAST or the new Weiand) with 90mm TB, and change the headers to TSP 1 7/8 what do you think I would gain. Right now I make 375hp. I am thinking I could see around 30hp gain. Do you think that is about right?
Old 02-12-2009, 07:55 AM
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My guess is more like 20-25.
Old 02-12-2009, 08:06 AM
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I think you'll be right at 400 with a good tune, maybe a hair more if the FAST is ported. Make sure you have enough injector.


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