Spires

heya guys, scammed a 6.0L + 4L80E + 10.5" full floating axel all with only 5k miles on them from a wrecked 2004 2500HD for 6k$. I have a 2001 silverado 1500 5.3L (STS turbo charged of course), and am going to swap it all in. This setup comes with all the accessories, computer, engine dressings and all. Will this setup fully bolt in without any hassles? Only thing I can think of is the tranny mount may need a crossmember like the ones needed in a 4L60E to 4L80E swap. Anything else needed? I have schwab swapping out the rear rims for some 8 luggers for me for nadda. So far looks like a killer deal eh?