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View Poll Results: What Intake Manifold to Choose
LS6
26
13.07%
Ported LS2
12
6.03%
TPIS Modified LS6
12
6.03%
Wait for the Weiand
31
15.58%
Don't be an idiot, only the FAST will do
118
59.30%
Voters: 199. You may not vote on this poll

Intake Manifold Choice

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Old Mar 17, 2009 | 09:46 AM
  #41  
Ragtop 99's Avatar
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From: Bethesda, MD
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Originally Posted by SOMbitch
I respectfully disagree with you,
The threads on here I really question are the stock guys claiming 10-15 with a FAST only. I guess they just feel they have to justify that $1000++++
15 Hp at peak doesn't tell the story. Your other quote is key.
The LS6 hangs pretty close wuth a FAST until 6200 or so and then it fall off. That doesn't mean the FAST is a better bang for the buck but it WILL make a little more power on a car spinning a little higher.

At a 6800 shift point the FAST is making a lot more than 15 HP over the LS6 manifold. It typically is good for .2 to .3. Port it and the gain in midrange torque is big too.
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