try get workshop manuals for your engine type evo 1,2,3 surely have difference in ignition timings u need to get info on the valve timings then u can make your own mapping.
I Have one unit Motec M800 ecu for sale . Complete with wiring harness(military spec wires) for Supra MK IV (plug and play), Motec Can Communications Cable. Advance function, Anti Lag, Cam Control, Drive by wire...