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FAst 92mm on a 98 Z28?

This is a discussion on FAst 92mm on a 98 Z28? within the General Help forums, part of the LSx Technical Help Section category; Why wont a 92mm fast intake and TB fit on a 98 z28? I'm new to the LS thing and ...

  1. #1
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    98 Camaro Z28

    FAst 92mm on a 98 Z28?

    Why wont a 92mm fast intake and TB fit on a 98 z28? I'm new to the LS thing and could someone help me out with this. Thanks

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    it does........

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    if your refering to the egr/air set up..the big hose going to the top of the intake..that can be blocked and it will throw a code unless you tune it out. i also believe you will need the ls6 coolant pipes also for clearance

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    Member Gundlach9's Avatar
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    I'm not entirely sure what the problem with the fit is in your application, but the FAST 92 is advertised as a bolt-on for direct replacement in LS1/6 style intake manifolds. Minus the new intake you're trying to install, is the rest of your setup stock?

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    I have ported heads, the 243 castings.

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    243s...i am horrible with casting numbers..are those the ls6 or ls2 ? or 5.3?

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    I believe they would be 2001+ Z06 heads

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    well they will still fit then.

  9. #9
    Slow'er'Ass Mr. Luos's Avatar
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    The FAST 90/92 will fit.

    It will not clear the stock coolant lines, or the stock valley cover bolts though.
    FAST (Comp Cams) should send a set of the lower clearance valley cover bolts with the intake.

    And as mentioned...the EGR fitting will not fit.

  10. #10
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    So just remove the egr stuff?

  11. #11
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by BJDahlke View Post
    So just remove the egr stuff?
    Pretty much.


    Also, your stock throttle body won't fit without an adaptor.

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