Welcome.
Not sure how much research you have done but these links will help,
Have you found a car or still looking?
There is a link somewhere on what to look for when buying a Crossfire but I could not find it today.
Maybe someone else can help with that.
Jim

https://www.crossfireforum.org/forum...tech-help.html

https://www.crossfireforum.org/forum...s-repairs.html

https://www.crossfireforum.org/forum...ispreloading=1

https://www.youtube.com/@CrossfireRepairsByPaul/videos