I have a ’61 differential in my ’41. It was a 3.90 and I changed it to a 3.38 from Patrick’s. I couldn’t be more happy with it. The truck cruses very nicely at 24 MPH per 1000RPM. I always pull away from a stop using my 3.5 to 1 second gear and have no problems with Michigan hills and roads.

1941 Chevy Master 3/4-Ton
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Born to fish, the truck is only a hobby.