www.tuckertire.com , has four 7.50 20 tires on ebay, "buy it now" for $492, plus $100 shipping. i'd go with the 2 ton Chevy. The GMC, is definitely a 1 ton. The pickup style front bumper is the give away.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers
