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spark plugs

  1. 2013 FX4 Shudder/Misfire

    F150 Ecoboost Problems
    My 2013 3.5 ecoboost has had yet another misfire issue while towing my boat. This happened twice previously, Feb 2019 55k miles and garage had to replace plugs and coils, Same thing in Mar 2020, 65k Plugs and coils replaced again. Now I am taking it back in to the shop a 3rd time in less than 2...

    F150 Ecoboost Problems
    I know there are probably a few threads about this but I’m going to go ahead and ask it again. What are the best spark plugs you can use in your opinion, for a stock 3.5 V6 ECOBOOST
  3. Which spark plugs for the 2014 Eco? Should I do it myself?

    F150 Ecoboost Problems
    Whats up guys. Back in the day I did all my work on my Mustang GT. That was 10 years ago. Now I mostly make sure my kid doesn't eat stink bugs off the floor. Two quick questions: 1) What are good spark plugs for the eco? I use(d) NGK on my Mustang that worked great. Is there a NGK...
  4. Added 2 MPG for $180 this past weekend

    F150 Ecoboost Chat
    The answer? New plugs and a catch can! I recently picked up a 2016 F150 2.7L 4x4 with 82k highway miles. When I had my '13 FX2, I added a catch can and swapped plugs when I bought it. It really helped, so I figured the same for this 2.7L engine. I got the JLT catch can for $140 and new plugs for...
  5. 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...
  6. Anyone using Brisk Performance spark plugs?

    F150 Ecoboost Maintenance
    Looking for reviews from folks using Brisk spark plugs. It's time to replace the plugs in my 2012 F-150 ecoboost 3.5 I'm looking into upgrading to achieve better fuel economy while increasing overall performance. I want to install "Premium EVO Brisk spark plugs" (RR15BSXC) Any reviews or advise...
  7. Spark plugs for premium fuel

    F150 Ecoboost Performance
    I just purchased the RX catch can for my 2011 f150 ecoboost and I want to change out my plugs during the installation. Any recommendations as to what plugs to run? I've only ever ran premium fuel and have about 65k miles on the truck. Just wondering if I should go with OEM plugs or something...
  8. New MSD Spark Plugs set to begin shipping in August

    F150 Ecoboost Performance
    MSD is introducing a new spark plug designed to work in high performance engines, especially those with high cylinder pressures and/or MSD ignition systems. Before you go thinking that these are just more smoke and mirror gimmicks with 2, 3, 4, ground straps and unobtainium cores, don't worry...