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Urgent Spark Plug Question

This is a discussion on Urgent Spark Plug Question within the General Help forums, part of the LSx Technical Help Section category; I just found out that some of my spark plugs are fried after having a mechanic take a look at ...

  1. #1
    Rice Hungry GottaHaveLS1's Avatar
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    1999 Trans Am M6

    Urgent Spark Plug Question

    I just found out that some of my spark plugs are fried after having a mechanic take a look at my car. I believe I have NKG TR55's on there and he said to get new ones and mess around with the gapping. I'd rather just get it right the first time. What should i set the gapping at? also, what kind of plugs should I get? Its a bolt on stock ls1. thanks guys
    1999 Trans Am M6
    SLP Short Throw, Lid and CAI, BMR STB and SFC, UMI PHB, Pacesetter LT's and ORY, Magnaflow Catback, DMH 3" E-Cutout, LS7 Clutch, Motive 4.10, 160 T-Stat, MSD, !AIR, !EGR, 17x9.5 Chrome C6's wrapped in Hankook 275/40/17

    Tuned at Mongillo Motors in New Haven, CT

  2. #2
    Rice Killa JwMonE99's Avatar
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    Black With T-Tops
    96 Z28 M6

    Stick with the TR55s, they are great plugs.
    Gap them to .40

  3. #3
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    worth noting is that TR55s are copper ..so they will not last a long time..so your spark plug change intervals will be dramatically shorter ..i believe 20k between changes

  4. #4
    Rice Hungry GottaHaveLS1's Avatar
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    i had them put in with my headers about 5000 miles ago! but i've had fuel and tuning issues... but apparently now they are the only problem.

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