I don't have '54 302 specs. First attachment is from '52 GMC Maintenance Manual. Second is from '57.
Attachments
Clipboard01.jpg (22.74 KB, 39 downloads)
Clipboard02.jpg (30.53 KB, 39 downloads)
'52

'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.