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Thread: 4.3 4l60e?

  1. #1

    4.3 4l60e?

    I am considering just swaping the engine without the trans is the 4.3 trans going to blowup on the 5.3!

  2. #2
    Join Date
    Mar 2007
    Posts
    1,705
    If your 5.3l makes more than 390rwhp and weigth more than 5k lbs.......probably yes!

    If you are below this numbers by 38% and you are kind of normal to drive.....is gonna last some!

  3. #3
    I did my swap about 6 months ago, I tow my race car,my boat, my skis with the 4l60E hasnt let me down yet!

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