1. John Dirks Jr

    John Dirks Jr Active Member

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    What spark plug brand and part # do you like for your 5.0?

    Is there a consensus on one that our engines like best overall?
  2. madspeed

    madspeed Colonel Mustard Mod Dude Founding Member

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    if its not boosted, then Auolite copper core all the way!
    Last edited: Aug 26, 2013
  3. revhead347

    revhead347 I have face herpes.

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    Pretty much everyone runs Autolite copper plugs. A few people buy NGK plugs. They work about the same.

    Kurt
  4. Rick 91GT

    Rick 91GT SN Certified Technician Site Sponsor

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    I agree...with boost I prefer the NGK offerings

    Sent from my XT907 using Tapatalk 2
    84Ttop likes this.
  5. Mustang5L5

    Mustang5L5 Car used in adult film "Highway Gangbang-InDaButt" SN Certified Technician Founding Member

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    Motor craft

    Autolite split from ford decades ago. Not the same plugs


    Sent from my iPhone 4S using Tapatalk
  6. 84Ttop

    84Ttop They make new pistons every day, so why worry? SN Certified Technician Mod Dude

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    NGK is all that I run in mine. Ran the auto lite plugs for years with no trouble, just like the NGK better now
  7. reldla1996

    reldla1996 Member

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    In my 89, been running Autolite platinum for a long time.
  8. mikestang63

    mikestang63 Mustang Master

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    N/A applications run Autolite copper not platinum. Cheap and hardly ever foul
    Boosted I ran NGK
    Certain Alum head manufacturers have their own recommendations

    Avoid splitfire, E3, or Accel. All IMO are pure garbage.
  9. srtthis

    srtthis the guy doing it does every local racers rear end

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    I run NGK in everything...

    Ran the. In my 95 my 01 lightning my Volvo my dsm my 88lx every 03 cobra I've ever worked on we run them in the race car I run them in the gen 1 also... No issues
  10. Grabbin' Asphalt

    Grabbin' Asphalt Mustang Master

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    Gt40p's with Autolite 104's

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