@gunrunnerjohn posted:Sure, rip out all the old electronics and wiring, start building your wiring harnesses for the all new and different wiring of the RCMC, and you're all set.
As you can see, it's going to be a significant project. @Bruk has done a number of these, here's a thread talking about it:
Legacy upgrade
Bruk, has two of my engines now for conversion to full Legacy. I'll link one of my videos below. Sadly Bruk has been removed from the forum. His profile is still up so if you want to contact him you can find his contact info there.