Yes, if you install a 12 volt starter you MUST use a 168 tooth flywheel ring gear. Look HERE for details. I've had a 6 volt starter and flywheel on my converted to 12 volt electrics truck for over 40,000 miles.
Last edited by Bill Hanlon; 10/12/2026 3:53 PM.
'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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