Well I bought a wrecked 87 Turbo T today and now I am going to put the drivetrain in my GN with an 84 motor. So what all do I have to change? I am going to change the computer and chip, but does any wiring inside the car, under the dash need to be changed. Is all that I have to change is the underhood wiring. Are the fuel pumps the same for the 84 and the 87. TIA