3.4 runn on 4.3 ECU ? possibilities ?

[opel_inside]

Now I know a 4.3 TBI unit will go on a 60v6 and gives more fuel and such.
Would it be possible to run the 4.3 ECU which im sure would give a even better fuel curve ?
Also the 4.3 whether OBD 1 or 2 has chips and programmers available.
Which gen would be better ?

[opel_inside]

Okay from a night of reading ive gathered that i need a 7747 ECM, a 4.3 throttle body (keeping the 4.3 injectors as im running a cammed 3.4.)
Also obviously any wiring that goes with the setup.
Next thought is chips ?