Nick
I got a response from the owner of the shop working on my Fury. I'm having the original heat and factory air restored.
It is being done at Magnum Auto Restoration in Peru, IL. The owner is a great guy by the name of Mark Sekula. He responded with using Glen-ray radiator in Wausau, Wi for heater core repair. He also listed Joe Houdacek for a source for control valves as did the Tech info at this site. Good Luck!
Lyle