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Old 08-24-2007 | 12:45 AM
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Default best intake manifold

i have a 98 trans am m6 with pacesetters 3 inch tsp catted y pipe and msd coils with slp cold air kit. i want to put a head and cam package on it later on but right now i want a intake so what is the best intake out there i been looking at a ls6 intake but is the fast intake or wiend any better . im lookin for low end power from 0 to 100
Old 08-24-2007 | 12:49 AM
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For your setup the ls6 should flow plenty for you but if you want to spend the extra money you could go with the FAST.
Old 08-24-2007 | 07:43 AM
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Fast 90 > Fast 78 > LS6 > LS2 > LS1 > truck manifold

Best bang for the buck is the LS6 for about $325 used around here.
Old 08-24-2007 | 11:24 AM
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with the fast can i keep my egr stuff. also it wont hurt my performance , i hear sometimes bigger isent better
Old 08-24-2007 | 12:14 PM
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They make ls6 intakes that you can hook up your egr crap up to now I believe. But ls6 is def the best bang for the buck.
Old 08-24-2007 | 12:33 PM
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With the FAST intake, you CANNOT keep EGR. With the ls6 manifold you can ONLY if you have the one sold by SLP with the EGR mod done. They are $550 new, but I just got one on here for $350 shipped. got lucky
Old 08-24-2007 | 12:44 PM
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go with the ls6
Old 08-24-2007 | 03:08 PM
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Originally Posted by 93redBIRDman
With the FAST intake, you CANNOT keep EGR.

Really? This is an excerpt from the fast instructions:

4)For EGR use (1998-2002 Camaro/Firebird) you must open the hole in your new manifold. Use a large diameter drill and Dremel type tool to modify polymer (30mm hole). Be careful not to damage the upper diameter where the o-ring seals (fig.12).

And this is the link in case you want to read the whole thing yourself:

http://www.fuelairspark.com/Instructions/147.asp
Old 08-24-2007 | 03:22 PM
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You have to modify the Fast Intake to use your EGR.

You should base your Intake selection on your heads and cam selection. If your going with a "baby cam" a LS-6 Intake will serve you well and flow plenty. But if your going to drop 2.5K on a set of awesome heads along with the cam then a FAST 90 makes sense because your intake will be your bottleneck. Albeit a small one. I was going to use a ported LS-6 intake until the shop dropped it and cracked it. Then I got my FAST90 and went with a larger cam than originally planned. Though I do kinda regret the larger cam, can't just roll into it and go I have to downshift.
Old 08-25-2007 | 01:43 PM
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thanks for all the input guys i want to keep a like stock with all my egr hookups and stuff i do plan on going with a set of cnc ls6 heads from gmpp and a cam
Old 08-25-2007 | 02:35 PM
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FAST all the way.
Old 08-25-2007 | 06:22 PM
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LS6 gets my vote
Old 08-26-2007 | 02:06 AM
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ls6 for your mods
once you put cam/heads go to a 78/90 fast
Old 09-01-2007 | 05:57 PM
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thanks alot guys i went with a zo6 02-04 ls6 cam and a set of the z06 ls6 heads. i think ill go with a fast intake
Old 09-01-2007 | 06:06 PM
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go with the ls6..when you do more mods go with 90/90




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