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plugs

This is a discussion on plugs within the External Engine forums, part of the LSx Technical Help Section category; while i am installing my headers i was planning to change my plugs too. what should i go with? stock ...

  1. #1
    old timer blue02Z's Avatar
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    Navy Blue Metallic
    2002 Z28

    plugs

    while i am installing my headers i was planning to change my plugs too. what should i go with? stock ac delco or ngk? thanks

  2. #2
    Member SSmoky01's Avatar
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    Navy Blue Metallic
    2000 Camaro Z-28 SS

    I like the stock ac delco plug's(iridium's) myself.
    Last edited by SSmoky01; 09-27-2006 at 06:46 PM.
    2000 SS #1827,NBM,A4,leather,t-tops,lid,eibach springs,hotchkis lca's,slp lid,slp cold air induction,slp loudmouth,baer brakes up front,13.11@107 on street tires,12.90@109 on dr's....time for the cam and intake to be installed

  3. #3
    Impounded x-40oz-x's Avatar
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    1981 g-Body

    NGK TR55's

  4. #4
    The Bandit Wesman's Avatar
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    SGM
    1998 Trans Am WS6

    Go with AC Delco Iridiums. They are basically the stock replacement plugs, just in Iridium instead of Platinum.

    I have them in my car, and I've been more than happy with them.

    EDIT: Note, the AC Delco Iridiums are made by NGK
    Last edited by Wesman; 09-27-2006 at 09:36 PM.

  5. #5
    Pathelogical Liar BlackLT1Z28's Avatar
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    Black
    94 Camaro Z28

    I use NGK TR55's.

  6. #6
    Rodzilla Tha Cavity Filla zero_proto's Avatar
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    teal
    99 Z28 with an SS complex

    me 2

  7. #7
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    i think you will be happy with either, but me and a friend both run NGK TR55's and think they are great!

  8. #8
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    I run the ngk iridiums with no probs

  9. #9
    Junior Member
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    Red
    02' Z28 M6

    I just replaced mine 2 days ago with the iridiums and I can surely tell the improvement in the idle.

  10. #10
    Junior Member tylerdj's Avatar
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    Pewter
    2000 Trans Am

    Get the NGK Tr55's

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