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  1. #11


    When it comes to spark plugs, I highly recommend using only AC Delco plugs.

    2013 Silverado LTZ White Diamond Crew Cab

    Advent OGM1 Navigation
    Husky Liners GearBox Underseat Storage
    Airaid MIT
    EGR Rail Caps
    K&N Air Filter
    Flowsound 40 Muffler
    Hypertech Max Energy Tune (only top end limiter removed and AFM disabled)
    Chrome Tailgate Handle Cover
    TonnoPro HF-155 Tonneau Cover
    WeatherTech Front and Rear Splash Guards
    Husky Liners X-Act Contour Floor Liners
    WeatherTech Side Window Deflectors

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  3. #12


    When I got my truck it had the 100,000 mile "tune" and 100,000 mile platinum plugs. When I replaced them, I went with Bosch platinum 4's with the iridium tips and I guess I am fortunate because I have never had issues with them the 2 times I have replaced plugs since then.

    I don't know why people have so much trouble with "Non-Delco" plugs.

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