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what is the best plugs for a lt1

This is a discussion on what is the best plugs for a lt1 within the LT1 forums, part of the Vehicle Specific category; Acdelco rapide fire is ok I heard ngk is good to but my car is stock...

  1. #1
    Junior Member Black beauty's Avatar
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    black
    1995 trans am

    what is the best plugs for a lt1

    Acdelco rapide fire is ok I heard ngk is good to but my car is stock

  2. #2
    Senior Member 5.0THIS's Avatar
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    Oct 2001
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    Colorado
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    3,704

    red
    95 Z28

    Whatever iridium plug the car calls for. I think the NGK version is TR55ix, and NGK makes the acdelco iridium plugs anyway.

  3. #3
    Junior Member
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    Savannah TN
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    Pewter
    1999 FRC Corvette

    I always used a NGK plug until I installed my heads on the car. A NGK TR6 for nitrous or TR55 OR TR60 is the best for no spray.

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