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I need some info!!!

This is a discussion on I need some info!!! within the General Help forums, part of the LSx Technical Help Section category; I just bought a Trans Am and the intake is gone. It had a Fast 90mm intake on it. I ...

  1. #1
    Junior Member
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    black
    99 trans am

    Post I need some info!!!

    I just bought a Trans Am and the intake is gone. It had a Fast 90mm intake on it. I want to put another 90mm intake on it but i dont want to spend that kind of money. I know that other factory intakes will work that are 90mm but i dont know what they come off of. it has been dynotuned with a 90mm so i am thinkin if i dont put another 90mm on it that it will run way too rich. If anybody can tell me what i need i would appreciate it.

  2. #2
    Just me Y2KPewterSS's Avatar
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    Pewter metallic
    2000 Camaro SS

    Welcome to the site

    The factory LS6 intakes are 75mm I believe. If you want another 90mm intake, the only option I can think of is the Fast setup.

    I am going to move this to the general help forum so you can get some better responses on it.
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  3. #3
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    You could check into having a stock ls6 tb ported to 90mm, but I doubt it'll have enough material to pull it off.

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  4. #4
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    white
    1998 Trans Am

    everything I have read is that the 90mm is overkill unless you have some major engine mods.... anyone else ?

  5. #5
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    black
    99 trans am

    well my car has alot of head work done and i am not real sure what size cam it has in it but it has a 3400 stall converter so i imagine that it is pretty big and it had a 90 mm intake and throttle body on it before i bought it

  6. #6
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    What intake do you have on there now?

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