A number of you will know Mike from Britrest. He has a RRC with a Disco V8 fitted, using the GEMS system, of which I know nothing. He has had many issues with the ECU and has a non-runner atm. Just putting this out there in case someone here knows the things enough to help him. Mike has been a help to me back channel.
He has done a number of vids on this car. This is only the latest one: