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Thread: spark plugs?

  1. #1

    Default spark plugs?

    Ok, so the MSD wires is the way to go, what about spark plugs? any suggestions? I was thinking about just getting ACDELCO.
    2001 Silverado Z71, 5.3L, K&N cold air intake, flexalite electric cooling fan, Edelbrock shorty headers, Amsoil synthetic oil, dual exhaust flow master 40 series muffler, Hypertech max energy programmer, MSD Ignition plug wires.

  2. #2


    I personally like NGK or Denso.


    '94 Chevy Suburban K1500
    3" exhaust w/ aero turbine non-baffled muffler
    CFM Technologies TB spacer
    CB w/ 44" whip antenna

  3. #3
    Sr. Apprentice _BT_'s Avatar
    Join Date
    Nov 2008
    Newark, CA


    A local performance shop compared some plugs on a dyno. check it out
    2009 Sierra 1500 SLE Ext Cab 4x4 5.3L 3.73 gears Steel Gray
    20" Liquidmetal Magmas
    275/55/20 CooperZeons
    Gibson catback
    Diablo Sport tuner
    ReadyLift 2.25" leveling kit
    Volant CAI
    Bed Rug
    Billet grille

    2004 Pontiac GTO - Long Tube Headers,CAI, Magnaflow catback, Comp custom grind cam, Pedders Suspension, GMM race shifter - 392 whp

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