Pity someone doesn't post an account of all the mods needed and whether it's worth the trouble.
I've seen a couple of incomplete ones hanging around the vintage sprinting scene. They have a reputation for being slow and fragile, although I've never actually seen one running. I would tend to expect the barrel-crankcase joint to be a major weak point, and I would guess that the comments about Magnums also apply to some extent
Shoot, a man could have a good weekend in Dallas with all that stuff...