There are more knowledgable than me but I think those "CON" numbers tell you what line (conveyor?) the block came down. They don't say much about what the thing really is. It would be really nice to find some ol' GM assembly line person to confirm this.


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.