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2001 5.3L Spark Plug gap

This is a discussion on 2001 5.3L Spark Plug gap within the Technical / Maintenance forums, part of the General Discussion category; What are the gap specifications on the spark plugs for an 01 SIlverado 5.3L? Thanks!!...

  1. #1
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    2001 5.3L Spark Plug gap


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    What are the gap specifications on the spark plugs for an 01 SIlverado 5.3L? Thanks!!

  2. #2
    4/6 dropped Silvy on 22s
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    Re: 2001 5.3L Spark Plug gap

    I believe it is .060, im almost certain, anyone else?

  3. #3
    Registered User Boomer71's Avatar
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    Re: 2001 5.3L Spark Plug gap

    I gapped my NGK TR55's at .060 and it's running fine.

  4. #4
    Registered User
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    Re: 2001 5.3L Spark Plug gap

    Follow the recommendations on the emissions sticker located on the air cleaner housing.

    .060 is the typical

    Newer iridium replacement plugs are at .045 and have do not adjust from boxed settings warnings on them
    2002 Chevrolet Silverado 1500 5.3L LM7(T) 3.73 Extended Cab SWB 2WD

 

 

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