Intake manifold choices
Intake manifold choices Any other "budget" option out there other than a fast? Cant justify the price point for one. I am open to suggestions as im sure others as well! Btw this will be going on a 382ci stroker ls1 with prc225 cathedral port heads
Restricted User
Joined: Mar 2014
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From: Ohio
I agree with the above. Go with a used FAST 90 or 92. Vengeance Racing did some tests on FAST 90 and FAST 92 intakes, and their tests showed no difference between the two when it came to HP/TQ. If you're patient, you'll find a used one for a decent price.
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Verdad Gallardo Do you have a cam yet? If not, then I'd consider it an option, but you'll want the cam spec'd for the single plane intake, as it's going to require much different valve events than a cam spec'd for a composite intake like the LS6 or FAST.
On The Tree
Joined: May 2016
Posts: 104
Likes: 1
Good luck, there is a guy local to me and he has the following...
$1200 firm fast 90 intake manifold ( samething as a 92mm ) new nick williams 92mm black dbc TB, ls1 injectors, fuel rail and new gaskets. it is painted black as in the pics.
He has been asking the same price for over a year for that setup. No way it's worth that and he is going to just sit on it.
$1200 firm fast 90 intake manifold ( samething as a 92mm ) new nick williams 92mm black dbc TB, ls1 injectors, fuel rail and new gaskets. it is painted black as in the pics.
He has been asking the same price for over a year for that setup. No way it's worth that and he is going to just sit on it.
There is a FAST 90/90 setup in the classified section on here. I believe he's asking something like $500.00 for the intake and $250 for the TB. He sounds flexible.
https://ls1tech.com/forums/parts-cla...ls2-build.html
https://ls1tech.com/forums/parts-cla...ls2-build.html
Last edited by Rise of the Phoenix; Aug 24, 2016 at 02:47 PM.
Yes. However, you may need bigger fuel injectors. What duty cycle are they at right now? Adding a better flowing intake will increase air, which will require more fuel via the tune, so your stock injectors may be maxed out.
I would buy the used intake posted above and find a TB elsewhere. I had major tuning issues with a Fast 90mm tb and found it wasn't an uncommon problem.
The IAC passage is too small and can lead to overshoots as the PCM tries to balance and maintain idle.
The IAC passage is too small and can lead to overshoots as the PCM tries to balance and maintain idle.
Yes, those will fit fine in it. The FAST 90 and FAST 92 will also allow you to use the fatter injectors. The FAST 102 however will not.