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Fast 90 and NW TB on forced induction

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Old Apr 4, 2006 | 08:02 PM
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Default Fast 90 and NW TB on forced induction

I have read one review that said the guy gained nothing and think another one that said guy lost hp with the 90 fast intake and 90 tb.
I see NA guys seem to get good gains from it. I sold my ls6 and ported tb and don't feel like selling the fast stuff as like the option of direct port on it.
So is anyone running it on their forced induction combos..Someone said think on MTI dyno that it was surging under forced induction and maybe could not even hold boost properly.
Anyone have the 90/90 setup and are you having any problems and what dyno numbers did you get with it?
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Old Apr 4, 2006 | 08:15 PM
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Found one..lingenfelter SS with big single turbo..382 think it was ...and running fast 90. Showing 800rwhp think it was on the boosted list. So guess they can't ge that bad!!
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Old Apr 17, 2006 | 01:12 AM
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TTT
I am interested about this as well. I have a brand new Fast90 that was ported by Tony Mamo, and a NW tb. It was supposed to be used for my max effort all motor setup, but now it will be getting used to a Procharger setup.
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Old Apr 17, 2006 | 01:54 AM
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I'll try to dyno mine in the next couple of weeks to see the results. I didn't get anything solid at the dragstrip, because the map sensor kept blowing out. I fixed that now.
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Old Apr 17, 2006 | 04:39 AM
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id be afraid they crack under boost, sell it before its worth nothing i would.
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Old Apr 17, 2006 | 04:42 AM
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Would the Edelbrock be a good alternative then? I was reading a thread about it, and that I could use my NW 90MM with it as well. No one in that thread posted any results with it.
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Old Apr 17, 2006 | 10:04 AM
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I bought all three Intakes and a extra 90/90 fast and a nick williams throttle body Im going to compair them on a PTK kit a buddy of mine is headed over here in IQ and I am going to car sit for him when I get back. Some info on his car

402 low comp
PTK GT 76
T-56
The motor has about 800 miles on it and he is letting me use it as a test mule now I just got to get home and find a dyno with time. Im going to do this test as simple as possible one fast intake is portmatch its on his car the one i bought is not I also have the edelbrock intake and elbow and a cherry ls6 this all done with pp heads 72 cc. wish me luck Oh yeah I will have vids too
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Old Apr 17, 2006 | 11:00 AM
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There is a car on the boosted list with lingenfelter engine or something running the fast 90 and making like 800rwhp. Think its on 2006 but might be 2005 list.And you can buy the burst kits for them but that is at very high boost. I did read about one test with one think at mti and think they said it might be leaking as though they had some surging or something.

Also think GMRSPEED is doing up a car right now with their twin turbo kit that has lsx 90 on it. See how that dynos and look forward to outlaws testing.
I don't care that much if it dont' give that much dyno gain..my twin turbos will make easily enough power for me. But I just wanted the direct port option from it and still think more flow might not increase peak hp but might give better area under the curves or something.
Lots of guys on dsm cars run better intake manifolds and bigger tbs and see some good gains especially top end part of rpm range.

So hope my fast does not become a waste of time but as long as it holds my boost level ,maybe 15 psi or so tops when engine is forged likely be good enough for me.

Anyone else running one on their forced induction car? Seems most run the ls6 intake.
I had one and sold it and MTI ported tb..at least its cheap enough to go back to that if need be.

The lsx stuff makes decent power gains on non fi cars.
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