I know so far that the best GSr to put in i heard was 94-95 obd1, the tranny from Gsr 93 is one you can use, but 94-up are Hydro. and you have to buy a cable/hydro kit, the engine alone is overpriced " I looked in to it " just for the extra 10-20 Hp. you still need axles, mounts, ecu p78 i...