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Spark Plug Gap

This is a discussion on Spark Plug Gap within the GTO forums, part of the Vehicle Specific category; Does anyone know what the spark plug gap is for the 2004 gto a guy told me at advance auto ...

  1. #1
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    silver
    2004 gto

    Spark Plug Gap

    Does anyone know what the spark plug gap is for the 2004 gto a guy told me at advance auto parts that it is .060 but isn't that too high? and I think it is suppose to be .044 right?


    i have NGK laser platinum

    well let me no


    Thanks
    2004 GTO silver/red int.
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  2. #2
    Awaiting Activation 5.7literMustangEater's Avatar
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    Torrid Red
    2004 Pontiac GTO

    Plug Gap

    Quote Originally Posted by slpgto2004 View Post
    Does anyone know what the spark plug gap is for the 2004 gto a guy told me at advance auto parts that it is .060 but isn't that too high? and I think it is suppose to be .044 right?


    i have NGK laser platinum

    well let me no


    Thanks
    There was a thread on here somewhere that had the new gap for the GTO's because they changed from platinum O.E. to iridium O.E. plugs. Gap is .040.

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    silver
    2004 gto

    ok thanks

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    I went to Playboy Mansion FantaZGuy28's Avatar
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    YJ
    04 GTO M6

    I use NKG TR55, forgot what I gapped them at..I think .35

  5. #5
    Junior Member DMONICGTO's Avatar
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    BLACK
    2004 GTO A4

    Ngk Tr55 & Tr6 Are Gapped @ .035 But The Ones You Have Need To Gapped Between .035 And .040 But No Higher.
    2004 PBM A4 GTO
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  6. #6
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    Impulse Blue
    2004 GTO

    LS1 was originally .060 as was previous years. Mid year got a new plug and new gap, .040. LS2 uses this same plug.

    NGK TR55 should be gapped at .050.

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