You did. They were called "Fleet Option" trucks. As you said, they used V shaped instrument clusters like the Chevys had. They had really ugly (cheap) grilles and the '58 models had two headlights even though there was space for four. More info here.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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