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92mm v. 90mm Fast Intake

This is a discussion on 92mm v. 90mm Fast Intake within the External Engine forums, part of the LSx Technical Help Section category; I just called fast and they told me that I have a 90mm intake because it has 5 bolts holding ...

  1. #1
    Member Ghawk996's Avatar
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    Question 92mm v. 90mm Fast Intake

    I just called fast and they told me that I have a 90mm intake because it has 5 bolts holding the TB on instead of the 3 on the 78mm. I want to know if I should sell the 90mm and get a 92mm if they provide any real advantages.

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    Veteran Hi-Po's Avatar
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    No, the 2mm wider mouth is not going to net you any more power. The internals on the intake are exactly the same to my understanding.
    370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator

    Build in progress...

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    Member Ghawk996's Avatar
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    I noticed you changed ur avatar and I guess that you recommend staying with the 90mm intake. Then I want to know whether or not which TB could I use?

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    I would stay away from the 90mm FAST. Heard osme people running into issues with them sticking. I think they straightened it all out with the 92mm FAST though. They are way expensive though.

    I went with a PTM. Great TB. Alot of people like the Nich Williams TB also. Cant go wrong with either piece.

    Yes, stay with your 90mm.

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    Member Ghawk996's Avatar
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    Thanks for the help I just finish college and am now going to start and finish my car and put on all those parts I have been storing.

    By the way would you happen to know where I could get one of those 90mm TB for a decent price, I look at Summit Racing and Ebay mostly.

    I also need to find a place where I can buy some missing parts for a Vortech Supercharger Kit that I purchased from a the guy I got the intake from.

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    Look around on here, I have seen a few for sale lately. Also look on that "other" LS1 website, they have lots of stuff for sale too. Check out some of the sponsors here for a decent deal on a TB.

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    Member Ghawk996's Avatar
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    Thanks!
    I will post up whatever I find.

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    Member Ghawk996's Avatar
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    I am having trobble locating a place that sells the Nick Williams Trottle Body could anyone direct me to a dealer!

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    i buy all my parts from Va Speed

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    not worth going from a 90 to a 92...

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    Member Ghawk996's Avatar
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    Quote Originally Posted by Cohi View Post
    i buy all my parts from Va Speed
    Do u have a like for the site!

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    Quote Originally Posted by Ghawk996 View Post
    Do u have a like for the site!
    There website is www.virginiaspeed.com but i dont no if the purchasing off it is operational yet. Also there phone number is 757-468-5101 u can just give them a ring

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