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Thread: 5.3 to 6.0 swap

  1. #1
    Join Date
    Feb 2011
    Posts
    3

    5.3 to 6.0 swap

    i have a 02 silverado 5.3 4x4 that knocks when crunk and it drives me crazy. wanted to know what year 6.0 engine would be a direct fit 05 and up with harness ,ecm and throttle pedel. or would it be better to just rebuild the 5.3 .

  2. #2
    Join Date
    Feb 2011
    Posts
    3
    was thiking about a complete pull-out engine,trans,harness and computer.

  3. #3
    Join Date
    Oct 2007
    Location
    Spring, Texas
    Posts
    141
    I am pretty sure any LS based 6.0l will fit and all you would need is a tune. I may be wrong and I am sure someone on here will have the correct answer. Try farmtruc

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    go for a 2002+ 6L so that you don't get the older model that had cast iron heads or longer crankshaft extension, allowing you to bolt it directly to your current transmission. You will need to swap your intake over to the 6L since it will have all things required to work with your current setup. Yes, a tune is a must have item.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Feb 2011
    Posts
    3
    Thank's for the info.

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