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Thread: z28 manifolds on 4.8 rcsb sierra

  1. #1
    Join Date
    Jul 2009
    Location
    GA
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    119

    z28 manifolds on 4.8 rcsb sierra

    will stock 2000 z28 manifolds directly bolt up to my engine? and would it be worth it? im only paying 40 bucks for them, is there anything i got to do to them, would it help if they got ported any kinda way or somthing, any help would be appreciated thanks guys
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  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
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    20,540
    They will bolt to the engine but I believe the exhaust pipe flanges will not mate.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Jul 2009
    Location
    GA
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    well what would i need to do to make the the flanges work?
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    KandN INTAKE
    44 SERIES FLOWS DUMPED
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  4. #4
    Join Date
    May 2009
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    Plainfield, IL
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    Not worth the effort IMO, that's worse then shorty headers, which are better paperweights.
    blown transmissions are about as useful as 97% of the guys on this forum

  5. #5
    Join Date
    Jul 2009
    Location
    GA
    Posts
    119
    ok cool, it was just a thought, i just keep stock while i save up for Ltubes
    [CENTER]
    KandN INTAKE
    44 SERIES FLOWS DUMPED
    SUPERCHIP(UH)
    4/7 LOWERED
    18'' TITANS

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