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E3 Spark Plugs

Discussion in 'GM Powertrain' started by z71Hauler, Mar 17, 2010.

  1. z71Hauler

    z71Hauler New Member

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    Its time to change the sprk plugs on the truck and was wondering if anyone has used the E3 Spark plugs. I've always been a believer of sticking to O.E. parts, but I really like this concept. Thanks for the help.
    #1
  2. Loggerhead Mike

    Loggerhead Mike New Member

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    its a gimmick they still only have 1 spark. their supposed to last longer because when 1 of the tangs goes bad it has 2 more but by that time the electrode is usually shot

    go w/ the delco's
    #2
  3. 99'HEARTBEAT

    99'HEARTBEAT Moderator

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    x2 On the E-3 plugs being a Gimmick,...A/C Delco Iridium Spark Plugs are what....the Vortec engines run Better on!!!
    Last edited: Aug 1, 2010
    #3
  4. Big_Ben

    Big_Ben New Member

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    X3 on using the Delco plugs... changed mine two days ago and have noticed a difference already. (Previous plugs in engine were NGK)
    #4
  5. Silverado Junkie

    Silverado Junkie New Member

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    Ive always usedBosch Platinum 4's and they work great but ive always heard that for vortecs, ac delco's are the only way to go. Is this true? Should i stick with my bosch's or go to delco's?
    #5
  6. jt_5.7

    jt_5.7 New Member

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    bosch and NGK are the best plugs to use case closed
    #6
  7. z71Hauler

    z71Hauler New Member

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    I have nothing but bad experiences with Bosch spark plugs. I have techs in the shop that refuse to install them. The E-3 looked apealing, but I'm sticking to A/C Delco. Thanks for the input guys.
    #7
  8. k.daddy1

    k.daddy1 New Member

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    NGK and Bosch are great for rice burners and foreign jobs, but I have had too many people bring there vehicles back because of miss fire codes in the computers from NGK/Bosch plugs. I won't put anything other than OEM plugs in vehicles at the shop. Warranty work cost too much and too much of a hastle to exchange plugs. GM=AC Delco!
    #8
  9. greenbastard

    greenbastard New Member

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    i tried bosch platinum 4 plugs in my rhd crx and i actually lost performance and fuel economy(bigtime i swear it thought it was a v8 instead of a 4cyl for how much fuel it used) also it kept popping off my leads right off the plugs and my check engine light came on a week later
    #9
  10. vncj96

    vncj96 New Member

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    your 95 doesnt have the vortec so whatever you prefer but yes the vortec motors are extremely picky about what gives them a spark, stick with the OE
    #10

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