Hey Mike, when did you get a Chevy. Would have to be a 6400, or 6500, if it's a 6000 series truck. That would make it a 2 ton. I've got a fresh rebuilt 261 performance short block, out in the shop, that would be a better mate, for this truck.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers