spark plugs

  1. Cracked my coil pack trying to unthread bolt

    Went to check gaps on all of my spark plugs and while trying to loosen the bolt that holds one of the coil packs in , the plastic completely broke off where the bolt holds down the coil pack. That bolt was on TIGHT. I'm wondering if I need to replace the coil pack asap or if it will be fine. I...
  2. DW 400 Fuel pump

    Hey, I have a 2015 Mustang with Roush Supercharger. Sunday I upgraded to ID1050x, DW 400 Fuel pump, and the spark plugs. Since then when I go to start my car it takes me 5-10 to get it to start. It just cranks while fuel pressure builds up in the lines. I called DW they said it’s a bad check...
  3. Preventative Maintenance -- Replaced spark plugs!

    I have a 2015 Mustang GT with 28,000 miles. I replaced my OEM Motorcraft spark plugs with NGK 6509 spark plugs today (stock heat range). I gapped them to 0.051, and the car feels great. For anyone looking to do preventative maintenance, spark plugs are fairly cheap and are easy to change...
  4. Florida NGK Laser Iridium Spark Plugs

    NGK laser Iridium Spark Plugs #LTR6BI-13 brand new, never used. fits 15-17 Mustang GT’s, 12-13 Boss 302’s $80 shipped
  5. Oil on sparkplug

    I wanted to get your guys feedback on my spark plugs. All seem to be fine but I did see some oil on the spark plug threads of cylinder 3. I included some info on the car as well as some images. Maybe I'm just being paranoid but I figured I could get another opinion. Here is some info on my...
  6. Ford Performance Tune and Engine Code P0301

    A few days ago, I put my 2016 ecoboost mustang in reverse and it started to violently vibrate. I knew I could not drive it so put it back in park and the vibration stopped. I put it back in reverse and everything was fine. Now 2 days later, same exact thing happened. Each time, so far, this...
  7. CEL Blinking After Whipple Supercharger Install

    hey guys so ive done some searching on these forums but either im not good enough at searching this site yet, or nobody has ran into this specific problem. I had a 2.9L Whipple Supercharger installed on my 2016 Mustang GT, (manual) about three weeks ago. Also had stainless power catted lt...
  8. 44K Maintenance on 2015 Mustang GT Spark Plugs + 02 Sensors

    Hey guys! So we recently replaced the spark plugs and 02 sensors on Scott's 2015 Mustang GT. For those of you who are not familiar with Scott's car here is a quick rundown: Stainless Power Catted Longtubes, Corsa Extreme 3" Catback, GT350 Intake Manifold with Stock Throttle Body, PMAS, 47LB...
  9. (Australia) My crappy experience with KPM Motorsport (Streetfighter) in SA

    KPM Motorsport – Nothing comes close… to reading the instruction manual KPM Motorsport – Nothing comes close… to installing your belt tensioner correctly KPM Motorsport – Nothing comes close…. to opening the hood of your car for 10 days when you take it to get fixed I hope that...


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