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STS spark plug choice

This is a discussion on STS spark plug choice within the Forced Induction forums, part of the LSx Technical Help Section category; ...

  1. #1
    Junior Member
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    STS spark plug choice

    What is the groupís consensus on running a colder plug in turbo charged applications? I have a 2005 GMC 2500 HD with a STS turbo kit on it and am debating whether to change plugs to a 1 step colder heat range.

    While I have the groupís attention are platinum and iridium plugs better that conventional plugs or do they just last longer?

    Thanks
    Mark Rutherford

  2. #2
    Member cailey37's Avatar
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    Silver
    1998 Pontiac Trans Am

    NGK TR-55's should be good....if you dont mind changing your plugs then I wouldn't so with a platinum or iridium plug....NGK's seem to give good throttle responce and I change mine about every 8K.......just me.....

  3. #3
    Junior Member
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    Black
    99 Camaro

    I run NGK TR6 plugs on most of the turbo cars we do , higher boost cars I will gap them a little bit tighter .

  4. #4
    Member squee's Avatar
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    Navy Blue Metallic
    2000 SS M6

    Quote Originally Posted by New Era Performance View Post
    I run NGK TR6 plugs on most of the turbo cars we do , higher boost cars I will gap them a little bit tighter .
    What would you recommend to gap them at?

  5. #5
    Junior Member Chad Nielson's Avatar
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    02' Camaro SS

    Hey New Era,
    What do you think of the STS kits? I know they run TR6's that are gapped at .60.

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