I forsee one issue. That being with your proposed Belly up and not really stretching the rear any, specifically driveline angle and bind @ the double cardan joint. In fact, I added a MML to help combat this and am happy with where it sits now.
With my 4" suspension setup (3.5" springs, .5" shackles) and I am what I'd consider close to the limit for angle on that double joint @ droop. You're going to have significantly more suspension than I do SOA.
You could maybe solve that with a higher angle setup than what the normal Tom Woods shaft has, I think they offer higher angle offset joints, but don't quote me.
03 Rubi on 35's (Weekend Toy)
11 Ram 2500 - 6.7 Cummins (DD/Tow Rig)
05 Liberty Limited (Wife's): Minor mods, OME/JBA Suspension, 245 70/17 Duratracs