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which spark plugs

This is a discussion on which spark plugs within the External Engine forums, part of the LSx Technical Help Section category; wat type of spark plugs are best for our cars? i see some denso iridiums online and some ngk platinum ...

  1. #1
    Member Siciliano15's Avatar
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    1998 Trans Am WS-6

    which spark plugs

    wat type of spark plugs are best for our cars? i see some denso iridiums online and some ngk platinum or ngk iridium..... wats the best to use for performance and mileage?

  2. #2
    Senior Member Orcus79's Avatar
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    black
    2002 WS6

    NGK or AC delco

  3. #3
    Your dealership guy konigandy6's Avatar
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    Velocity Yellow
    2008 Corvette Z06

    Quote Originally Posted by Orcus79 View Post
    NGK or AC delco
    +1

    I have the NGK's myself. But the Delcos will work perfectly and last longer.

  4. #4
    Member Siciliano15's Avatar
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    thanks

  5. #5
    Senior Member 00z28bubba's Avatar
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    white
    2000 Z28

    ngk tr5 or tr6 is what was recommended to me and i have a set that will be put on soon enough.

  6. #6
    Member 28Marcos's Avatar
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    Pewter
    99 Z/28

    of all the plugs that i've used i think that the ngk tr55 would be the best for my stock motor, great throttle response but i cant remember if i used the iridium or the platinum, its that time again to tune it up so i'll check it out. either way the sharpness performance seems to wear off in about a week if you know what i mean...

  7. #7
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    NGK's are priced great and Work great...
    No need to get the 4 dollar plugs with 4 tips and all that garbage..
    J
    2001 SS, Its not the car its the Driver that matters....

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