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Thread: How to 4L60E to 4L80E trans swap

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  1. #1
    Join Date
    Aug 2005
    Location
    St. Anthony, Indiana
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    1,592
    Quote Originally Posted by ramsey rider View Post
    hey allen nice write up ,is there anything diff,when doing this install on a 4wd vehicle .like what transfer case ,etc.do you need the ransfer from an hd vehicle for the 80 trans install or does the 80 fit the 60 tansfer.just wondering what hiccups ill run into when i switch mine ,as u know its coming ive been through 5 so the next 1 will be finish line waiting 2 be installed as soon as this pos craps out.thanks
    Ramsey,
    4wd you will reuse your transfer case, but the transfer case gear has to be swapped.
    Will also need a shorter rear drive shaft and a longer front drive shaft.

  2. #2
    Join Date
    Jun 2007
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    saratoga springs ,new york {upstate ,adirondacks }
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    Quote Originally Posted by foggy View Post
    Ramsey,
    4wd you will reuse your transfer case, but the transfer case gear has to be swapped.
    Will also need a shorter rear drive shaft and a longer front drive shaft.
    nice ,its always something else with these fwds thanks nice to know.
    mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .

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