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Thread: tranny fit 6.0??

  1. #1
    Join Date
    Nov 2011
    Location
    NH
    Posts
    109

    tranny fit 6.0??

    i have a 1996 4l80e and im looking to swap it into my nbs 99 sierra, i pulled the 5.3 and put a 6.0 into it. will that tranny work??? thanks guys! rather ask then find out the hard way!!!!

  2. #2
    Join Date
    Oct 2007
    Location
    Bandera, TX
    Posts
    2,921
    Yes, it will fit. You will need the 4l80e flex plate and spacer, and ls converter I think. Not positive on converter.
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  3. #3
    Join Date
    Nov 2011
    Location
    NH
    Posts
    109
    ok thanks. the 6.0 i got is out of my dads wrecked truck its a 99 with iron heads... theres no spacer to it. thats the problem ive had. i got the flat flex plate i think thats a 4l80e one. my 5.3 i took out had a slight arch to the plate.

  4. #4
    Join Date
    Jan 2011
    Location
    Mcalester,okla.
    Posts
    565
    No spacer needed on the 99 6.0 the crank is solid and longer than the new 6.0. All u need is the flat 6.0 flywheel and it will bolt right up. Converter will work also

  5. #5
    Join Date
    Nov 2011
    Location
    NH
    Posts
    109
    awesome thanks guys!!

  6. #6
    Join Date
    Jan 2011
    Location
    Mcalester,okla.
    Posts
    565
    Anytime uf y have ant trouble just pm me

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