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Thread: Spark Plugs

  1. #1
    Join Date
    Jan 2020

    Spark Plugs

    I have a LS2 with Patriot 243 heads, FAST intake, GM hot cam and larger injectors with AC Delco 41-962 spark plugs.

    The tuner is telling me to install NGK TR6 plugs and ceramic wires before I get it tuned.

    Any recommendations?