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Thread: 4l80e length

  1. #1

    Default 4l80e length

    I have a 91 gmc vandura with a 454 and blown 4l80e and cant locate a used tranny for my 146" wheelbase and I am wondering if anybody knows what the difference is in the transmission from the 125 inch wheelbase to the 146 inch wheelbase and if it is something I can easily change from my old transmission to make the more readily available 125" work

  2. #2

    Default

    The only difference should be the length of the driveshaft. I dont believe there is any difference in the transmission.
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  3. #3

    Default

    If there is any difference, it would be in the tail piece of the transmission. The tail piece is removable (not used on the 4x4 trucks) and should be swap-able.
    Ray

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

  4. #4
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    Default

    4L80e?? WWouldn't it have the 700r4, I didn't think the electronic ones didn't hit the vans and suburban s until redesign in 1992? Maybe am wrong
    99 K1500 Suburban LT "THE BEAST"
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