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spark plug

  1. Official FAQ thread (2nd gen Ecoboosts; 2015+)

    2nd Gen F150 Ecoboost
    This FAQ thread is directed at the 2nd Generation Ecoboost (2015+). Although quite a bit has changed between the 1st and 2nd Gen motors, most of the same issues/questions/concerns still pop up. Most of the information between this thread as well as the thread for the Gen 1 trucks are reciprocal...
  2. Non Tuned spark plug gaps

    F150 Ecoboost Maintenance
    I been messing with my spark plug gaps lately. Truck seemed to not be great at .030, so i've been incrementally moving it closer since I have 2 sets of plugs. What is the "hot zone" on some of your un-tuned 3.5L trucks? I'm also talking using Motorcraft plugs, the forum recommended ones. I...
  3. E3 Plugs???

    F150 Ecoboost Maintenance
    I know the spark plug discussion has been kicked around the site since the site was created and the general consensuses seems to be go with Motorcraft, with some mention about NGK and Brisk. Has anyone try E3 diamond fires or any other brand? Seems like E3 is big in the performance world but I...
  4. Coil Pack 'Upgrade'

    F150 Ecoboost Performance
    Hey Folks, I'm looking to possibly switch my coil packs to the brand Granatelli. I've looked at Accel, GMS, and MSD, but the Granatelli's seem to be superior (though I could be wrong). I'd like to get some input from people that have installed them and kept them, or others who've installed...
  5. 2013 spark plugs - Motorcraft/NGK/Brisk? Need some help!

    F150 Ecoboost Performance
    Alright guys, I am running Mike's 91 Perf/Tow tune from 5 Star, and love it. Truck has about 4000 miles, and I feel I am having some spark issues, haven't pulled the plugs yet, but I have heard some crazy gap stories, as well as cracked porcelain, etc. Also, the inside of the tail pipe is full...
  6. MPG After Spark Plug Re-Gap....

    F150 Ecoboost Performance
    Have you guys who re-gapped your factory plugs noticed any increase in mpg?
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