The Stovebolt Site Forums The Parking Lot Big Bolts 42 GMC COE Manifold ?

LKN,
That is one beautiful truck! Man that must be fun to ride in.

have you looked at this site?

http://www.oldgmctrucks.com/

There is a lot of information about serial numbers etc. If you go on their main site, one of the members "Mother Trucker" may have what you want.