Gaylyn,
Here are a couple of links that may get you started until the guys start chiming in . . .

http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic;f=22;t=001660#000004

http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic;f=2;t=009065#000011

~ Kimberly
My '54 ... and my '63 and a '59 F100