Spark Plugs

Spark Plugs

This is a discussion on Spark Plugs within the 2nd Gen F150 Ecoboost forums, part of the 2nd Gen F150 Ecoboost Forum (2015+) category; i'm getting ready to do the spark plugs on my 2018 3.5 Eco and i gave the local Ford dealership the vin # and they ...

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  • 1 Post By winchested

Thread: Spark Plugs

  1. #1
    Ecoboost Jr Member Dash's Avatar

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    Spark Plugs

    i'm getting ready to do the spark plugs on my 2018 3.5 Eco and i gave the local Ford dealership the vin # and they told me i need the
    SP-578 CYFS-12Y-PT Iridium spark plugs
    question is do i go with the ones they recommend or do i stick with SP-534
    2018 F-150 3.5 Eco-Boost, King Ranch, FX4 package, every option available at the time
    Gross Combination 21,000 LBS
    Replaced King Ranch Grill with Sport Grill

    Magnum FORCE Stage-2 'Super Raptor' Dual 3-1/2" Cold Air Intake System w/Pro 5R Filter Media
    Hellwig Sway Bars Front and Rear
    Firestone Ride Rite on the rear
    Dino Tuned Added 91 Ft Lbs and 67 HP
    JLT Catch Can
    Bilstein 5100 Rear

  2. #2
    Super Moderator milesej05's Avatar
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    2018 Magnetic Metallic 2.7 Ecoboost XLT Sport
    2013 Oxford White EcoBoost FX4 - Gone

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  3. #3
    Ecoboost Jr Member Dash's Avatar

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    thanks for the info
    2018 F-150 3.5 Eco-Boost, King Ranch, FX4 package, every option available at the time
    Gross Combination 21,000 LBS
    Replaced King Ranch Grill with Sport Grill

    Magnum FORCE Stage-2 'Super Raptor' Dual 3-1/2" Cold Air Intake System w/Pro 5R Filter Media
    Hellwig Sway Bars Front and Rear
    Firestone Ride Rite on the rear
    Dino Tuned Added 91 Ft Lbs and 67 HP
    JLT Catch Can
    Bilstein 5100 Rear

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  5. #4
    Eco-Beast winchested's Avatar

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    Obviously been superceeded. Go with the new plug number.
    Dash likes this.
    2011 XLT Screw 6.5' Box, Tux Black, 4" BDS lift, 34" BFG KO2 tires, 18x8.5" +18 XD spy Wheels, PTM oem Flares. Rampage Slimline nerf bars. 5* Tuned 87 P/T.

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