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Thread: 4L80 swap

  1. #1
    Join Date
    Mar 2004
    Location
    ATL
    Posts
    177

    Default 4L80 swap

    Greetings, all

    Are all 4L80s the same, outside of the bell housing? Will a trans from an '03 2500 4wd 6.0 work in a '99 2500 4wd 6.5 Suburban?

    My trans is on the way out, and can't do a re-manned right now. Found one with 101K to replace mine with 186K.

    Any suggestions are greatly appreciated!

    Thanks
    Last edited by Lightyear; 08-11-2015 at 08:24. Reason: omitted data
    Buzz
    '99 K2500 'Burb, my DD
    301K
    K&N insert in stock airbox
    Relocated PMD behind front bumper

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