Update:
Changed the tranny fluid and diff fluid this weekend with Royal Purple Sychronmax and the RP 75-90 gear oil with friction modifier added.
Tranny seems to shift a little smoother, happy with the fluid so far.
Differential has not exploded yet. Drove 120 miles yesterday. Will keep my eye on it for any signs of disintegration.
Royal Purple is good stuff and I supported my local bidness.