As title says
85 d150 long bed, currently 727 which may stay
Other trans choices on hand are an 833 od or an a500.... Yes I have the 60s era /6 to sb trans adapter plate for that possibility
Currently 3.21 gear, not looking at changing much from there whether I do the turbo or not.
Daily driver/ may pull a small camper or utility trailer with a few mowers on it occasionally
Daily commute 70 miles round trip, mostly 65mph, about 4 stop signs between here and there, mostly cornfield lines, rural state 2 lane road.