For a carburetted engine, the computer would be redundant so even if you do not take it out, it still has to be disconnected to prevent unnecessary current drain.
As to the transmission, if it fits, then it can work.
The fuel pump has to be replaced with one suitable for carburetted engines as the one for fuel injected models are too high pressured to be of any use. The wiring circuit for fule pump would have to be modified as there are no more computers to control the circuit.
Please consider a to help us answer more questions.
Thursday, June 14th, 2012 AT 6:26 PM