52 feet 9.5 inches is 1/100th of a mile.
If Joe is right about 1000 revolutions of the speedo cable to be a mile (I'm not arguing, I just don't know) the cable should turn exactly 10 times. If 9 1/2 times then the speedo will be 5% slow. If 11 times the speedo will be 10% fast.
'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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