OK so I am swapping my 90 S13 single cam motor out for a dual cam. I already picked up a dual cam motor out of an S13. I need to know will my stock engine mounts work, will my stock tranny and clutch work, and do I still have to change the wiring on the ECU?

I still need the following things to finish up:
TB
PS lines
Gauge cluster
Coil
Header

If you have any of these parts let me know. Thanks
-Sage