I can't say on pro labor times. It's fairly simple, but it helps to have a friend at times to line th tranny back up, and you will need to keep track a of bunck of small parts, but check out an FSM or even Haynes for some idea what to expect.
Overall, everything has to be "just right" or it will work like crap.
'82 Scrambler - NV4500/4.5" lift/33" Toyo MTs/4.0/twin stick, and my windshield washers work! Full 1/2 cab Cage
2004 Grand Limited 4.7 HO - OH Boy!
2010 Grand Laredo 5.7 Hemi - SICK - work vehicle -gone - replaced by an 08 Tahoe - nice ride.
"Both my Doberman and my Jeep can accurately be described as 'black and rust.'"
"I got a fever . . . and the only prescription is more cowbell"