Your 50 came with a 6 volt starter and likely still had one. My 52 has a six volt starter and works quite well with a 12 volt system. Unless someone has changed the flywheel to a 12 volt version, I'll bet you still have a 6 volt starter.
Read the tech tip to find out how to tell difference.
'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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