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what type of spark plugs do you use??

This is a discussion on what type of spark plugs do you use?? within the General Help forums, part of the LSx Technical Help Section category; I am putting in some lt's wed. and figured i might as well change plugs while i am their. What ...

  1. #1
    Junior Member murray01's Avatar
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    01 z28

    what type of spark plugs do you use??

    I am putting in some lt's wed. and figured i might as well change plugs while i am their. What is a good plug to run in these cars? I have an 01 Z28. Thanks for your help.

  2. #2
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    I use NGK TR55's.

  3. #3
    Junior Member murray01's Avatar
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    01 z28

    how long have you ran them? do they seem to be good?
    thanks for the info.

  4. #4
    BlackHawk T/A
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    Those are some of the best.

    But what gapping is optimal?

  5. #5
    Tx_Rice_Hunter
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    NGK's in my Z. Love em.

    I left the "stock" gap on them.

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    NGK tr55IX...their kinda expensive but haven't had any probs with'em...and their supposed to last a long time

  7. #7
    hfldTA
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    Ac delco Iridiums gapped @ 60

  8. #8
    Junior Member murray01's Avatar
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    red
    01 z28

    what is the difference between tr55 and tr55ix?
    thanks for the info guys

  9. #9
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    the ix are the irinium...however you spell it

  10. #10
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Quote Originally Posted by 2001NBMZ28
    I use NGK TR55's.
    Yup.

    I swap them out every 10,000 miles or so. They don't last the longest, but they work well in our cars.

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