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Thread: spark plug gap

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  1. #1
    Join Date
    Mar 2006
    Location
    Phoenix, AZ
    Posts
    620
    What I've heard is N/A, run TR55's and gap them at .060. FI, run TR6's and gap them at .035.


    2006 GTO M6 Brazen Orange
    2006 Silverado CCSB Duramax


  2. #2
    Join Date
    Nov 2006
    Location
    Cajun Country
    Posts
    440
    ^^^ right on the money if you are running tr6 .35, I just put a fresh set in my truck friday night, I gap'em at .25, (note: don't work on the truck when drunk) we were working on putting a new set of mirrors on(06 SS mirrors)and after a case or two of coor lite well, I found my gauge the next morning gap at .25
    DD: 2008 TB LS
    2005 Silverado VHO




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