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piu help

  1. F

    Correct Spark Plug Gap for '15 PIU 3.5L EcoBoost

    Ive heard mixed information about spark plug gab size, and Ford apparently changed the recommend size multiple times. Many people say 0.028in is the way to go, however after looking for plugs, they state 0.032 for Ford SP580 and NGK Iridium LTR6IX. Also heard that iridium plugs cant be regapped...
  2. C

    2014 PIU questions

    Hey Fellas, I haven’t been on the site in a while after selling our older Explorer years ago. I’ve provided tech on this site and some good posts, so I’m not a newbie to Ford products. In fact, I still have my 94 Cobra and also own a 2018 S550 (2nd S550). So been looking at the 2013+...