As far as I know (considering all years) the 5.14 is lowest gear, slowest.
4.10 is highest, fastest gear.

Although, there are occasionally rumors of aftermarket 3.73 gears at one time being available, I've yet to see any, not even a picture.


•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-