Stop in for a cup of coffee

Something like this. View attachment 1715504388 It has a 4 bolt flange at transmission,should be pretty straight forward.
Will put weight on back end and get diff pointed before i measure. Then i can weld spring perches on.

Your U joints will appreciate that. I guess just make sure your oil is going to be getting to the pinion bearings, not sure how much angle you'll have there and probably some designs are more tolerant of that than others.