Maybe this video could be of assistance https://www.youtube.com/watch?v=pwPP0Ex238M. I seem to remember a discussion on another forum, I think it was the old efi101 forum. I remember some where also had how to wire the retarders.

I have only known barra to refer to the straight six in Australia not the eight. 4 should be the correct answer. It seems to have gained popularity on us you tube channels.

Total lockdown in Australia will probable be state by state. Hopefully some states can avoid it. Wish I could work from home. I am not able to remote in and being an essential worker leaves me in the office.

Sorry I should have explained it a little better. It was really directed at NSFW. If people follow the projects under the link they will find mybooty. I love the name for the project, before you ask I have not been working in mybooty. Mybooty has code for a bootloader that works with a trionic ecu. ...

This may also be of help. https://github.com/Just4pLeisure

NSFW have you tried asking on the saab trionic forum. Similar hardware and they have been playing with 68k for years. The forum has a few people you may recognise from the Subaru forum. Been years since I looked at either forums but seem to remember some similar names like sasha_a80. https://os.mbed...

Also worth looking at some of the older videos on the mk1 escort build.
[youtube]https://www.youtube.com/watch?v=X58-tnmZl4Y[/youtube]

Not sure what radare is like with processors in question, also not much of a gui. http://beta.rada.re/en/latest/

Below is a link to some Arduino code that may be of assistance. I am assuming most of the communication will be the same but with a different algorithm to calculate the response for security access. The ECU the code is for is probably not the same, but the code may give you a guide. If you are tryin...

Maybe the youtube video from adaptronic's on grounding may help.