Thank you. I will check the wheel size again. Any idea if the fenders and other body parts are the same with the duallys and the small trucks?

90 RS, 85 diesel Burb, 83 Z28,83 1ton, 78 Camaro, 78 Z28, 67 Burb, 63 Chevy 4x4, 54 3800, 48 Fleetmaster