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Thread: How to 4L60E to 4L80E trans swap

  1. #131
    Join Date
    Dec 2011
    Location
    Savannah, ga
    Posts
    317
    Quote Originally Posted by farmtruc View Post
    You're just gonna have to mess with the adjustments.
    Also, be sure you're using the 80e bracket.
    where are these adjustments at? i dont see anyway to adjust the cable itself and dont see a simple way to move the bracket?

  2. #132
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,689
    I had to use the 60e arm on mine. There are adjustments on the cable plus you can also move the mounting bracket on the transmission by bending it.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #133
    Join Date
    Dec 2011
    Location
    Savannah, ga
    Posts
    317
    Quote Originally Posted by RedHeartbeat View Post
    I had to use the 60e arm on mine. There are adjustments on the cable plus you can also move the mounting bracket on the transmission by bending it.
    ahh ok i didnt know i could swap the arms. i'll try that tomorrow thanks.

  4. #134
    Join Date
    Dec 2011
    Location
    Savannah, ga
    Posts
    317
    here is what i ended up doing to my linkage to make it work

    i used the old lingake from the 4l60e and flipped it around, cut a notch and bent it some more then had a buddy weld it for me, and it works perfectly even drove it around some yesterday


  5. #135
    Join Date
    Jun 2010
    Location
    Oklahoma City, OK
    Posts
    52
    Quote Originally Posted by RedHeartbeat View Post
    I like to buy the long slip yoke and cut it to fit. Assemble it on the driveshaft, slide it all the way in, measure how much to cut off and cut off one more additional inch for suspension travel.
    How much did you cut off? I see a lot of 5/8", is that enough?
    '03 GMC Sierra 5.3-MP 112-2.8 Pulley-Stg1 706 heads-216/224 .551-BB Tune-4l80e-FTI 2800-Ceramic Pacesetters-4.10s-Yukon Duragrip-

  6. #136
    Quote Originally Posted by mattc View Post
    i put a 4l80e in my 97 truck, it came with a 60e. my problem is the shift linkage, when i put the truck in park it doesnt move the trans shifter arm far enough forward to hit park. any remedy to this?
    I used a lokar linkage on my c/10 for the 4l80e , works great .


  7. #137
    Join Date
    Feb 2013
    Location
    Henderson, NC
    Posts
    12
    yes indeed this is a nice write up and to add to this you can order beefier transmissions from a company out of Florida called PRO POWER TRANSMISSIONS WHETHER NEW OR REBUILT FOR LESS...IN MY 97 CHEVY SUBURBAN I UPGRADED TO A 4L65E FOR $1500 NEW WITH A PERFORMANCE KIT INSTALLED.

  8. #138
    Join Date
    Nov 2018
    Posts
    1
    I have a 1993 GMC K 1500 Suburban that currently has the 4L60E transmission in it and I want to swap it with a 97 K 2500 4 L 80 e transmission. What all do I need for this?

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