...and it is possible to have the distributor high enough that the gear will still mesh, therefore the engine can run, but the tang on the bottom of the shaft will not engage the oil pump. I tore down a 270 GMC that ran 5 hours and then quit turning the pump because the distributor was set too high.
'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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