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Part number for ls6 intake manifold

This is a discussion on Part number for ls6 intake manifold within the External Engine forums, part of the LSx Technical Help Section category; I was wanting the gm part number for a ls6 intake manifold and is it its direct bolt on or ...

  1. #1
    Member 99yellowz28's Avatar
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    competition yellow
    1999 camaro m6

    Part number for ls6 intake manifold

    I was wanting the gm part number for a ls6 intake manifold and is it its direct bolt on or is there other things that need done my car is is a 99 z28 and has the egr stuff still on it with Hooker headers

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    here you go. this thread has most of the info you need

    How do you identify an LS6 from an LS1 intake?

    While doing this I would update the knock sensors while you have the intake off.


    You can kill the egr & air pump stuff and block off the egr plates on the headers. A mail order tune from Frost will take care of any codes from this.

    Intake swaps are easy enough to do. Just be careful when the intake is off to not drop anything in the heads or you'll be fishing or pulling heads.

    A couple of areas to pay attention too:

    1) OPSU sits just behind the drivers side of the intake. Many ppl on their first time removing the intake forget about it and break it, usually with the break booster hose. Just move the hose around it carefully and you should be fine. Once you are back together if you have no oil pressure this is what you'll need to replace. Cost about $58 and the $10 socket is worth it.

    2) HVAC tubing comes off the back of the intake near the map sensor. It is a PITA to attach it back on but it is need in order to use your HVAC system. Just don't forget about it.

  3. #3
    Spaz is My Mentor SMWS6TA's Avatar
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    also forgot to add the fins on the bottom of the ls6 intake will have some issues with the ls1 coolant bypass lines. you can knock them off or get the ls6 coolant kit.

  4. #4
    Junior Member JROBINSON1016's Avatar
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    RED
    1998 TRANS AM

    ls6 intake gm part number- 88894339
    gmpartsdirect.com
    or go to your local gm dealer

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