no offense, but why do you want to auto a 4agze. i have a manual GZE in an 86 and its heaps of fun to drive. i dont think an auto would be that fun....but still just my opinion.
is there any model toyota that came out with an auto, rear drive 4age??? cause i dont know of one. you could probably use an NA flexplate and torque convertor but then you have to find an auto box.
(does anyone know of a rear drive auto setup for 4ag???)
you might also want to think about getting a bigger stall in the convertor, up the line pressure and fit a shift kit. cause i think the torque of a gze could munch the internals of a standard box (it would go heaps better too).
then there is the problem if the box is computer controlled??? what computer would you use to sort that out.