Old GMC Trucks The site for 1959 and older GMC Trucks.
Inliners International The site for inline engines of all stripes.
The 6066 GMC Guy The site for 1960-66 GMC Trucks.
Old Truck Stuff A site featuring truck stuff in general.
Old Truck Net Another site featuring truck stuff in general.
1955-59 Truck Assembly Lines Some interesting factory pictures.