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Thread: E3 Spark Plugs

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  1. #1
    Jr. Apprentice z71Hauler's Avatar
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    May 2009
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    Homestead, Fl.
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    Default E3 Spark Plugs

    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.
    2005 Chevy Silverado Z71 5.3 ext. cab

  2. #2

    Default

    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
    GM TECH

    05 silverado shortbed

  3. #3

    Default

    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 by 99'HEARTBEAT; 08-01-2010 at 07:41 PM.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  4. #4
    Jr. Engineer
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    Mar 2010
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    Cochrane, AB
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    Default

    X3 on using the Delco plugs... changed mine two days ago and have noticed a difference already. (Previous plugs in engine were NGK)
    SEAFOAM, I PUT THAT @#!$ IN EVERYTHING!



    2004 Silverado LS 5.3L Z71 Crew Cab
    260,000+ km

  5. #5
    Master Mechanic Silverado Junkie's Avatar
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    Feb 2010
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    Default

    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?
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

  6. #6

    Default

    bosch and NGK are the best plugs to use case closed

  7. #7
    Legend

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    Default

    Quote Originally Posted by Silverado Junkie View Post
    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?
    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
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

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