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  1. Livernois Motorsports
    08-25-2016 09:55 AM - permalink
    Livernois Motorsports
    Good morning Todd,

    We recommend running the iridium plugs for ~20k miles. They are far more efficient, but do not have the lifespan of like a platinum plug. There are several guys that change them annually, like I do. There are many that do it in the 15-20k window. It is really just about how crazy you are about maintenance. You can safely run them until you begin to experience any type of hesitation, misfire or stutter while accelerating.

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  • About Neffster
    Salem, VA
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    Neffster - BSME

    2015 LARIAT SCrew, 3.5EB, 4x4, 502A, Magnetic-Black, Sport, Bed Liner
    Livernois - 93 Octane, Stage 7, Aggressive | Retrax Pro MX | Ford Remote Access | Husky X-Act Contours, Wheel Well Liners & Gear Box | 35% tint | FORSCAN modified


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  • Last Activity: 02-17-2018 04:44 PM
  • Join Date: 04-18-2015

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