93 JDM is the gen 3 motor. You are out of luck with the AEM EMS, you will have to repin it.
Email RickyB about the Nemesis. It's a very attractive alternative to the AEM EMS. I'm almost positive it does support the gen 3 motor in a plug-and-play fashion (no rewiring of the car).
rickybenitez@hotmail.com.