Lumping a 1963 Mark 10

I not usually on this list. I’m looking for information on the process of lumping a mark 10 including transmission to a turbo 400. Perhaps a SBC with 300 or so horsepower?

All input appreciated. I am curious if John’s Cars XJ kit would also work in a Mark 10?

Loveland, Colorado

When I emailed him, he replied that only one has been done RHD, and required enormous fab

I would write to him, I know MKX and 420G have been repowered with Ford and GM V8, and I understand some LHD have been fitted with Johns kit and a T7004

The trans tunnel on these cars is very tight and boxed in with heavy duty reinforcing

There is one getting around with a 502 big block, not sure what trans