Does anyone have information on what I need to do to swap my blown s4 motor for the s5 j-spec that I just bought. Front cover? other parts? Thanks for the help

 

Depends. If you want to keep the OMP then swap the front cover. If you want to save a pile of work, use all your S4 electronics. Same injectors, alternator, sensors, all that stuff.

 

Sure here is the needed info.

2 ways of doing it-

1) Swap over your s4 injectors, front cover and OMP (easy enough)

0r

2) Rewire The s5 injector clips onto the S4 harness, if your's is a low imp system (resistor box on the passenger headlight area, silver box) rewire the clip as HAILERS wrote up in a thread labeled "can a wiring Harness?" then swap your front cover, or just premix for the rest of your life....

easy as pie.

 

if you swap front covers how will the OMP rod conect to the throttle?

 

I have an 87 Turbo II and I will install a J-spec S5. I will use Electromotive Tec-2 ECU. I think that the main problem is the wiring harness. With a wiring diagram from an S4 and S5 you will find were the cables will fit.

 

Right sorry you also need to use the S4 upper manifold. Way to catch that!.