The truck was bought new by my brother's father-in-law in '71. My guess is that at some point before it was given to my brother's wife 25+ years ago the plastic teeth failed and someone replaced the gear (and maybe the whole timing set) without removing the pan and cleaning out the debris. The truck is still running okay, but only has an oil pressure idiot light, so no telling actual pressure.
'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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