Good info,
It looks like the American made ECU was flash but not the early OBD II Japanese ones.
The turbo and other swaps will be much easier with a programmable ECU of the later cars eliminating the need for piggybacks such as the Emanage.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.