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  • what are the best spark plugs

    well i am going to change the plugs and wires soon, i was going to use msd 8.5 wires but im not sure what plugs to go with

    i have a 99 3.8 camaro
    K&N air filter, Whisper air lid, magnaflow LT1 cat back, and magnaflow high flow cat, pacesetter headers, silverstars<br /><br />more to come soon<br />but for now im out of money

  • #2
    TR55s are the common one, but there really is no such thing as "the best". Cheap plugs from the parts store would do fine.
    Matt
    1998 Mystic Teal Camaro M5
    Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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    • #3
      AC Delco. I use AC Delco Professionals (NGK TR55ix) in disguise.
      -1999 Camaro Coupe 3800 Series II V6 A4 - SOLD<br />-1998 Pontiac Grand Prix GTP coupe

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      • #4
        I recently installed Bosch +4's.
        To me it was definitely a noticeable difference and I'm averaging better mileage too.
        Seafoam your car NOW before you swap plugs because it will decarbonize your combustion chambers as they will gunk up your old plugs.
        At that point you can install a fresh set of spark plugs knowing you have cleaned the combustion area.
        I added 1 can of Seafoam in my crankcase before the oil change tomorrow & 1 can in my ( full )gas tank for the injectors.
        The can of Seafoam clearly points out the advantages of a cleaner engine internally.
        Black \'96 RS Camaro, 3.8 V6 Series II, M5, Stock 200 HP, 204K miles! Stock \'91 Firebird 3.1 V6 automatic w/ overdrive. 266,400 miles on it. \'83 Pontiac Trans Am,305 LG4, Cowl Induction,Borg Warner 5 Speed,T-Tops,Gale Banks Exhaust System:$800 obo

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