Spark plug replacement?

Spark plug replacement?

This is a discussion on Spark plug replacement? within the F150 Ecoboost Maintenance forums, part of the F150 Ecoboost Garage category; I've read a few threads about people changing out the plugs at all kinds of different intervals. I have 18k on my 2014 and I'm ...

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Thread: Spark plug replacement?

  1. #1
    Ecoboost Regular PSU4ME's Avatar

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    Spark plug replacement?

    I've read a few threads about people changing out the plugs at all kinds of different intervals. I have 18k on my 2014 and I'm seeing the gas mileage drop for whatever reason, figured I might as well look into the plugs.

    So:
    1. Are they easy to do?
    2. What kind of plugs would you recommend?
    3. Are they pre gapped or do I need to set them?

    thanks!!

  2. #2
    Sponsor RMB_Ryan's Avatar
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    SP-534
    Gapped to .028 with a tune
    If fully modded with turbos I gap at .021
    15 min job with one hand behind your back.
    No anti-seize, no di-electric grease

    Easy peasy done

  3. #3
    Eco-Beast EcoXLT's Avatar

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    It may be winter gas. Lots of guys change them out early and it's not to hard. I haven't done mine and I'm at 20k. Let us know if it helps your MPG.

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    Ecoboost Regular PSU4ME's Avatar

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    Thanks guys. The truck is straight stock at this point in time. Ran techron through to try and fix the mpg issue but no dice.

    still recommend the sp-534 at that gap size?

  6. #5
    Gold Supporting Member Mr B's Avatar
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    Sssssssooooooooooo eeeeeeeaAaaaasssssyyyy
    https://m.youtube.com/watch?v=hDJtnTTOUeA

    2013 F150 Supercrew Lariat+ | Kodiac Brown | 4X4 | 502A | Tow | 3.55 E-Locker | SCT X4 5* 93per/tow | Michelin Defender LTX M/S 285/60R20 | PowerStop slotted-drilled front and back rotors W/ Z36 pads | Bilsteins 5100's X4 |Hellwig rear Anti-Sway Bar | Firestone Ride-Rite Rear Airbags (5000) | Air Lift WirelessAIR On-Board Air Compressor (7200) | AMP Research Power Step | spray in bed liner | HID lights | full LED | aFePower diff. Cover | 3.0 door detent | DeeZee TGA | Retrax Pro Cover | Rugged Ridge FM | Anzo LED side Mirror lights | UPR Billet Emblems | aFePower 4"X12" black exhaust tip | OEM Rear Wheel Well Liners | Westin Contour bull bar | Rigid Industries D-Series D2 LED Lights | raptor grill lights | SnapRest armrest | Bright TRAX led puddle lights | TrailFX window vents/hood protector | 35% tint | My Build https://www.f150ecoboost.net/forum/1...-counting.html


  7. #6
    Ecoboost Regular PSU4ME's Avatar

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    You guys stay with the motorcraft plugs or something like the ngk ones?

  8. #7
    Eco-Beast meaz93's Avatar

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    Motorcraft....and stick around .030 stock.

    Sent from my SM-N900V using Tapatalk

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    Sponsor RMB_Ryan's Avatar
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    Quote Originally Posted by meaz93 View Post
    Motorcraft....and stick around .030 stock. Sent from my SM-N900V using Tapatalk
    debatable. I like .028 stock. Much smoother

  10. #9
    Ecoboost Regular PSU4ME's Avatar

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    Do you guys know what the stock gap is?
    Platinum WOLF likes this.

  11. #10
    Sponsor RMB_Ryan's Avatar
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    Quote Originally Posted by PSU4ME View Post
    Do you guys know what the stock gap is?
    depends on the year. They use to be all over but now ford recommends .030

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