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Do I need new Fuel rails for F.A.S.T?

Old 09-14-2007, 10:09 AM
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Default Do I need new Fuel rails for F.A.S.T?

Guys, simple question....

I'm about to purchase the Fast lsx (90mm) intake and TB 90mm (PTM) combo for my 01 ws6. Do I need anything else? Will my stock fuel rails fit this intake?
I think it will, but it never hurts to ask.

Also, does anyone know about this "PTM" TB?
I don't think I can afford the Nick Williams....
Old 09-14-2007, 10:13 AM
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I know stock fuel rails fit the 78mm Fast LSX intake as it has a dent like crease in the top, this is for the stock fuel rail pipe to fit into. I believe the 90mm one is the same.

However the fast fuel rails do look nice on the intake, I painted my intake blue, picture attached. Also attached is a photo of when it was its natural colour.
Attached Thumbnails Do I need new Fuel rails for F.A.S.T?-img_0039.jpg   Do I need new Fuel rails for F.A.S.T?-wo20060730_063.jpg  
Old 09-14-2007, 10:15 AM
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Right. The only difference in the 78 and the 90 is the opening, right?
Old 09-14-2007, 10:27 AM
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Originally Posted by 1BDTRAM
Right. The only difference in the 78 and the 90 is the opening, right?
I believe that is true. May be worth check with you supplier before you purchase.

New rails may look nice and the price may be okay, but don't forget all the fixing. I'm not sure if anyone sells as a kit. Anyway, I'm pretty sure you will be fine with the stock rails for now.
Old 09-14-2007, 11:44 AM
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The stock fuel rails fit fine. I have a PTM TB and it works just fine.
Old 09-14-2007, 11:47 AM
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The only reason why I asked about the PTM tb is because I've about them and FAST tbs sticking.
Old 09-14-2007, 01:35 PM
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ive heard about PTMs sticking too, but not as much. just some food for thought
Old 09-14-2007, 03:27 PM
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My PTM was sticking right when you would give it gas, hard to push the pedal off idle or when letting off the gas to shift gears & then giving it gas again... Feels about like stock now after a few weeks of driving it, I guess it just needed to be broke in a lil'.

-Mike.
Old 09-14-2007, 03:40 PM
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There is no sticking issue with the PTM throttle body.The first run of them had a different return spring than what currently comes on them.This not a major problem like the Fast tb. TSP has sold hundreds of them with zero problems.
Old 09-14-2007, 05:42 PM
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Stock fuel rails definitely work with the FAST 90mm.
Old 09-14-2007, 11:04 PM
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yes they do, i upgraded to the fast rails just for the look
Old 09-15-2007, 05:52 AM
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I know for a fact that the stock rails will work.
Old 09-15-2007, 09:30 AM
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Originally Posted by Thule
yes they do, i upgraded to the fast rails just for the look
Thats what I want to do but its like $300 for the rails and installation kit.

I wish they would come down in price.
Old 09-15-2007, 09:48 PM
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Nasty Performance has some nice fuel rails for a decent price if you wanna check em out...

http://www.nastyperformance.com/FuelSystem.html

I believe they are still a sponser here... they might give you a member deal of some sort if you ask em...

I like the Scorpion Fuel Rails cuz of the nice blue anodized finish...

http://www.mountainperformanceonline..._p/scp7000.htm
Old 09-17-2007, 04:00 PM
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yup stock rails work with no problems and I don't have any issues with the FAST TB on mine


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