I have done approx 10 [in E bodys] - 833OD 4 spd swaps , they bolt in with virtaully No modification except some minor tweaking of the 3-4 shift rod , I had 1 customer ask me to take it back out , it was in a Charger
if you are grabbing a truck 4 spd get the belhousing even if you are not bolting to a small block , the flywheel is correct so grab it , the shifter will work , some of the clutck linkage will work or can be made to work as well
I assume he is talking 833 as the early 80s pick ups didn`t have auto 4 spd OD yet