i think its a fairly simple process but i'm not too sure, i wasn't going to use a/c so i didn't really do a whole lot of research on it but if you want to know more check out rangerpowersports.com and go to the 2.3T board there's quite a bit of info one the swap.
rangerpowersports.com
__________________
91 ranger, 88 tc 2.3 turbo, stroked, bored, 5.5" crower connecting rods, wiseco 8.0:1 dished pistons, total seal .030 rings, fully ported iron big valve head, racer walsh turbo roller cam, bobs log, holset wh1c, fmic, full 3" exhaust. not really a whole lot left to do.
93 explorer 4x4