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Thread: TR5 or TR55

  1. #1
    Member 99yellowz28's Avatar
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    competition yellow
    1999 camaro m6

    TR5 or TR55

    Hi guys I am currently running TR55s gapped at .060, and looking at alldata they have a tsb specifying 41-985s and gap of .040.

    I did some more research and on sparkplugs.com they plugs shown for my 99 Z28 are NGK TR5s with a gap of .040. My question is what spark plugs are you guys using?


    TIA

  2. #2
    Junior Member
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    WHITE
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    Am got ngk tr55 gaped at .50 and i also heard about 40-45???????

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    TR55 at .052

  4. #4
    Senior Member bluehawk2000's Avatar
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    midnight blue
    2000 trans am

    pulstar, is this a good spark plug I have seen them in magazines, and they are 24 bucks a pop, which is rediculous imo for one spark plug. Has anybody seen any reviews on them or used them theirselves.

  5. #5
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by bluehawk2000 View Post
    pulstar, is this a good spark plug I have seen them in magazines, and they are 24 bucks a pop, which is rediculous imo for one spark plug. Has anybody seen any reviews on them or used them theirselves.
    Don't even think about it.

  6. #6
    I don't sell out! blackSS01's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Don't even think about it.
    +1000 Waste of money.
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  7. #7
    Veteran Hi-Po's Avatar
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    Quote Originally Posted by bluehawk2000 View Post
    pulstar, is this a good spark plug I have seen them in magazines, and they are 24 bucks a pop, which is rediculous imo for one spark plug. Has anybody seen any reviews on them or used them theirselves.
    WHAT???? Do not, do not buy those.

  8. #8
    Senior Member bluehawk2000's Avatar
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    midnight blue
    2000 trans am

    lol was not ever planning on paying 20 bucks for one spark plug thats insanity, but whats wrong with those plugs, whats the deal with them?

  9. #9
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    Quote Originally Posted by 99z-28 View Post
    Hi guys I am currently running TR55s gapped at .060, and looking at alldata they have a tsb specifying 41-985s and gap of .040.

    I did some more research and on sparkplugs.com they plugs shown for my 99 Z28 are NGK TR5s with a gap of .040. My question is what spark plugs are you guys using?


    TIA
    why such a high gap ?

  10. #10
    Turgid Member Goat-E's Avatar
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    Impulse Blurr
    2004 GTO

    Tr55 .040

  11. #11
    Junior Member Bama99z's Avatar
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    Artic White
    1999 Camaro Z28

    Just got through with a LT & ORY project. Car had 116500 miles on the AC Delco iridium. Granted they were worn slap ass out but for the the hassel to get them removed I decided to re-install them for another 90,000. Only problem is the cost roughly 6~7.00 dollars each.But i think that they are worth the extra money. Go ahead and get the MSD 8.5 wires as well!!!

  12. #12
    Turgid Member Goat-E's Avatar
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    Impulse Blurr
    2004 GTO

    +1 on the MSD 8.5 wires. Best for the money IMO. I can take mine on and off by hand but I do recommend putting dielectric grease on the plug shafts. NOT ON THE TIP!!!

  13. #13
    In need of another LS1 00blacktransam112's Avatar
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    Black
    2000 Pontiac TA

    tr-55 .050

  14. #14
    Member 6.0LiterImportEater's Avatar
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    Phantom Black Metallic
    2006 Pontiac GTO

    TR5 0.40 cuz they are cheap and im still basically stock

  15. #15
    Member 99yellowz28's Avatar
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    competition yellow
    1999 camaro m6

    Quote Originally Posted by shady milkman View Post
    why such a high gap ?
    pretty sure thats what the owners manuel said

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