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Thread: Spark Plug

  1. #1
    Junior Member
    Join Date
    Apr 2009
    Location
    Michigan
    Posts
    37

    Pewter
    2001 Pontiac Trans Am

    Spark Plug

    Getting ready to install my new LT headers an Catted Y-pipe. Whats the better choice of spark plugs for me to use NGK TR5IX or NGK TR55GP?

  2. #2
    Life in the Fast lane sunsetorangess's Avatar
    Join Date
    Aug 2005
    Location
    Bragg NC
    Posts
    2,834

    Met. Sunset Orange
    01 SS

    I Would go wtih option number 2, the GP's. Less than half the price of Iridum plugs and do the same job..
    J
    2001 SS, Its not the car its the Driver that matters....

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