Thread: NGK TR6 or Autolite 104??

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  1. #1 NGK TR6 or Autolite 104?? 
    Runicdionysus
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    Default 12-20-2014
    I'm top swapping my gt soon. I have NGK TR6 plugs already installed with less than 4k miles on them but for a lot of top swaps I see people talk about 104s? So which one is better? Which is colder? Etc
    Thanks!
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  2. #2 Re: NGK TR6 or Autolite 104?? 
    Scottydoggs
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    Default 12-20-2014
    id just see how it feels. if need be swap to 104's.

    104 is one range cooler.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: NGK TR6 or Autolite 104?? 
    andesmint
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    Default 12-20-2014
    i had the same plugs you do in my topswap with only 2k miles on em. ended up having to swap to AL104s because it was causing some KR
    2000 GT Mods: HAI, 10.5mm wires, rebuilt 60k motor, ZZP stainless headers, magnaflow mufflers, fresh paint job,L-67 top swap, Ported SC...
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  4. #4 Re: NGK TR6 or Autolite 104?? 
    smoke14
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    Default 12-21-2014
    AC DelcoFactory Replacements: Stock
    Autolite 606: Stock
    Autolite 605: 1 Heat Range Cooler
    NGK TR55: 1 Heat Range Cooler
    Autolite 104: 2 Heat Ranges Cooler
    NGK TR6: 2 Heat Ranges Cooler
    Autolite 103: 3 Heat Rangles Cooler
    "You know, all that really matters is that the people you love are happy and healthy, everything else is just sprinkles on the sunday."

    -Paul Walker
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