Rod,

The control valve you speak of is sometimes called a Ranco or Thermatic valve. There are several ways to handle this, IF you are going for the OEm look have the valve rebuilt at this place

http://www.heatervalves.net/


There is an excellent thread currently going on at the Interior BB - read through this.

https://www.stovebolt.com/ubbthread...lat&Number=708317&gonew=1#UNREAD


1960 GMC 305A V-6 Gallery Page
Remember, the government cannot give --anything to anyone --that they have not first taken away from someone else.
BUY AMERICAN http://www.stillmadeinusa.com/index.html