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tr5 or tr55ix?

This is a discussion on tr5 or tr55ix? within the External Engine forums, part of the LSx Technical Help Section category; I was reading posts on using the TR55-ix iridium plugs. If I look up the application for my 98 trans ...

  1. #1
    Member speedracer25f's Avatar
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    Midnight Blue
    1998 Trans Am

    tr5 or tr55ix?

    I was reading posts on using the TR55-ix iridium plugs. If I look up the application for my 98 trans am it shows part number tr5 ix, anyone know the difference?

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    I go with the basic TR55's.

    Non-iridium.
    No performance advantage, just that they last longer. Not long enough to justify them being 4 times as much as the regular V-Power ones though.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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    Rice Killa JwMonE99's Avatar
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    Black With T-Tops
    96 Z28 M6

    I would get the ACDelcos

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    I currently have TR6's in my stroker.
    Will be going back the the basic TR55's this winter.

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