Post a message at these two sites.
If these is a set out there they will hook up with you

http://pages.zdnet.com/64moneypit/

http://www.chevytalk.org/threads/postlist.php?Cat=&Board=UBB43

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