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  1. #1
    AWA MEMBER
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    Anyone running NGK iridium plugs?

    anyone tried these NGK iridium Plugs Iridium IX : LFR6AIX-11

    or Denso VKH20 iridium tough.

    http://ngk-sparkplugs.com/lfr6a11-p-2809.html



    Mine are wore out at 50 hrs....These seem to last longer and add very slight performance edge?


  2. #2
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    i run the iridium 7

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  4. #3
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    Quote Originally Posted by JIM'S PERFORMANCE View Post
    i run the iridium 7

    Thats a colder plug???

  5. #4
    rxpdoo's Avatar
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    Quote Originally Posted by JIM'S PERFORMANCE View Post
    i run the iridium 7

    on mod skis you run a size colder.

  6. #5
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by RickWhite View Post
    Quote Originally Posted by JIM'S PERFORMANCE View Post
    i run the iridium 7

    Thats a colder plug???
    yes i run high boost that's why.

  7. #6

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    Quote Originally Posted by JIM'S PERFORMANCE View Post
    Quote Originally Posted by RickWhite View Post
    Quote Originally Posted by JIM'S PERFORMANCE View Post
    i run the iridium 7

    Thats a colder plug???
    yes i run high boost that's why.
    Jim what do you consider high boost

  8. #7
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    I plan on running the standard heat range 6..... I found them for 6.8XXX at rock auto......I'm looking for something that will last alittle longer, and will work better



    The NGK number is 6619

  9. #8
    AWA MEMBER
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    The Denso VHK20....... 20 a plug..... They claim to add HP.....WOW.....rare plug gotta get from Japan

  10. #9
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by Oldman View Post
    Quote Originally Posted by JIM'S PERFORMANCE View Post
    Quote Originally Posted by RickWhite View Post
    Quote Originally Posted by JIM'S PERFORMANCE View Post
    i run the iridium 7

    Thats a colder plug???
    yes i run high boost that's why.
    Jim what do you consider high boost
    If you are running 18 plus the cooler heat range is a good idea to use.

  11. #10

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    Thanks for info Jim

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