4X4 4L80E in a 2wd 71 sub, any pointers?

[woodman13]

Not home yet(from IRAQ), but gathering parts....(can never have enough parts for a project). I have a 4L80E 4X4 trans that I was thinking about putting in my 71 2wd sub. I was hoping someone may have done this swap and could give me a parts list or some pointers on it to make it smooth. I am going home on R&R leave soon and want to work on the ole sub while I am home. I figured a TCM, harness for TCM, crossmember, and a 2wd tailshaft housing for the rear of the 4X4 trans(since i am not using the transfer) ; can this be done? This transmission looks a little different than the one in my 68 Camaro and my 68 already had the 4L80 in it when I bought it! What year vehicle could all this come from? I hope since I got a good deal on the trans(free) it will work with little heartache. Any help would be great.