Kevin: Only thing not legible on that Saginaw 3 speed case is the day of the month in the casting date. The leading L would be December and the trailing 7 would be 1957. The two characters in the middle are the day of the month.
Last edited by Bill Hanlon; 08/23/2023 6:45 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.
| 
