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msd 4243

  1. Brand New MSD 4243 Problem

    Engine
    Well after reading many reviews I decided to purchase one. I bought it brand new about a week ago and havent had a chance to test it untill today. You can see my mods in my sig So i put it on setting 1. And I also tryed 0 just to try. Well my problem is sometimes when I tap the gas from a dead...
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