Anybody know where I can get an E5 ECU??
If you attempt to put the J5 or J6 on a 1991-1996 S13 SR20DET, it will run off the first cylinder only. I am not sure what happens if you try to run your late model blacktop off the E5 ECU but I imagine it will probably do what Jeff said. Here is a rundown I made up for another site:1991-1994 = ECU 62 (manual - 23710 50F00) and 63 (auto …