Ed, thanks, I just looked at my old t-stat (m)
to take some measurements from to see if yours might fit. Guess I forgot it was integrated into the heater assy and not a seperate removable part. It was a good idea for all of a few hours.
Wayne Carini called me back today, ~$5k to get the old Jag driveable, all else (body work, paint, interior) is extra. He would need to have the car to price the rest.