changing spark plugs - Page 3

changing spark plugs

This is a discussion on changing spark plugs within the F150 Ecoboost Maintenance forums, part of the F150 Ecoboost Garage category; Most tuners will recommend the Motorcraft SP-542s. They are one heat range colder and gap is .026-.028. Trial and error on the gap. Try .026 ...

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Thread: changing spark plugs

  1. #21
    Gold Supporting Member DBCooper's Avatar
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    Most tuners will recommend the Motorcraft SP-542s. They are one heat range colder and gap is .026-.028. Trial and error on the gap. Try .026 then next change try the .028. Or maybe it is somewhere in between them that works best for you.

    I hope this helps.
    ~Jim~
    2012 Lariat Screw 3.5L; 4x4; 3.55 E-Locker; Lux/Tow Package;
    SCT X4; Tuning by MPT , BCB; 170* Rat Stat; Motorcraft SP-542s; Injen CAI; Roush Boost Gauge; Full Race TB Spacer; CAC Weep Hole; UPR Mega Can w/CSS Pro Valves; UPR Billet Breather; 3" Custom Magnaflow
    Exhaust; 3" Resonator Delete;Turbosmart BOVs; Bilstein 5100s; Leveled; 20% Window Tint; Full Interior LEDs; PIAA Heads/Fogs; Forscan; BFG 275/70/18 KO2s; Fuel Hostage 18x9



  2. #22
    Ecoboost Regular Noblest's Avatar

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    Quote Originally Posted by ssam98 View Post
    It is important to know what spark plug to use when modding your vehicle, copper, iridum, the gap, heat range, and oem plugs are not the choice of tuners,
    Yeah, Its time I upgrade!


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    SCT Livewire TS+ w/ 5*custom 93 tune / AFE CAI / AFE Blade Runner charge pipe / AFE 4" cat back / Snow Performance water/meth kit / 170 Tstat / CR Performance full bore exhaust manifolds / Full Race GT Turbos / Turbo Smart BOVs / UPR dual catch can / SP534 Plugs at .03 Some others; Hellwig sway bars / Bilstein shocks / Pro Comp add a leafs / walnut blast valves / 180k miles orig. eng. / heavy foot





  3. #23
    Rookie ssam98's Avatar

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    Quote Originally Posted by DBCooper View Post
    Most tuners will recommend the Motorcraft SP-542s. They are one heat range colder and gap is .026-.028. Trial and error on the gap. Try .026 then next change try the .028. Or maybe it is somewhere in between them that works best for you.

    I hope this helps.
    thank you
    DBCooper likes this.

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  5. #24
    Rookie George's Avatar

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    Don't sweat the haters. Advice is given here with attitude quite often. A lot of 'know-it-alls' troll the forum looking to make you feel like $h!t while dispensing questionable wisdom.

    If you like it do it. You needed the caps and you like what you got.

    Quote Originally Posted by Noblest View Post
    Um, I watched the YouTube video they put up with Dyno charting, ect. And I was sold...

    So are you saying I'm gullible? What are you saying? Where do you live? Line up? Let's go?

    Really got me heated, maybe they are nothing but OEM with stickers. What's your experience?

    Meanwhile, I'm going to bed!

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    Noblest and Jeep Shadow like this.
    14 FX4 Ext, 3.5l Ecoboost, SuperChips Dashpaq

  6. #25
    Super Moderator milesej05's Avatar
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    Noblest likes this.
    2018 Magnetic Metallic 2.7 Ecoboost XLT Sport
    2013 Oxford White EcoBoost FX4 - Gone

    Quote Originally Posted by noodles
    Sometimes, a fool should trust what the wise say, instead of coming out yelling Totally Not True... because you couldn't find it on google. The wise usually know what they are talking about, because of either hands on experience, or maybe they've just been around long enough to know what's what.



    Check out the following threads for most of the questions regarding the F150 Ecoboost:
    https://www.f150ecoboost.net/forum/6...11-2014-a.html
    https://www.f150ecoboost.net/forum/6...ts-2015-a.html


    New Members, please read through this thread for all the Rules for .Net
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  7. #26
    Ecoboost Master Envious's Avatar

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    What kind of Mickey Mouse sh!t is going on in this thread lol
    milesej05 likes this.
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  8. #27
    Ecoboost Veteran Scott91370's Avatar

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    Quote Originally Posted by Envious View Post
    What kind of Mickey Mouse sh!t is going on in this thread lol
    The normal, I need XXXX part but don't know what it is even though there are 1,947 other threads and a sticky that address it.
    I say LOCK IT!
    Envious likes this.
    2015 Ingot Silver - 3.5 Ecoboost FX4

  9. #28
    Gold Supporting Member snakebitten's Avatar
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    You bunch of "haters".

    Yaw know me. I get the ".net" culture and wouldn't want much of it to ever change.

    But I miss the days (era) before folks were labeled haters. In my day, it'd be "ornery" or "cantankerous".

    Hater? I don't get it.



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    Envious and milesej05 like this.
    2018 KingRanch Kingsville Edition- Gen2 3.5 - Runs SO good on Factory tunes. Simply amazing. Good Job Ford

  10. #29
    Ecoboost Master Envious's Avatar

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    Quote Originally Posted by snakebitten View Post
    You bunch of "haters".

    Yaw know me. I get the ".net" culture and wouldn't want much of it to ever change.

    But I miss the days (era) before folks were labeled haters. In my day, it'd be "ornery" or "cantankerous".

    Hater? I don't get it.



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    Me neither. lol. Taters gonna tate.
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  11. #30
    Gold Supporting Member snakebitten's Avatar
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    Quote Originally Posted by Envious View Post
    Me neither. lol. Taters gonna tate.
    Miles gets us all labeled. He's cantankerous, would you say?

    Sent from my SM-N950U using Tapatalk
    milesej05 likes this.
    2018 KingRanch Kingsville Edition- Gen2 3.5 - Runs SO good on Factory tunes. Simply amazing. Good Job Ford

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