The Factory Truck Repair Manual has the specs for properly leveling the cab. They are very exacting, and dictate the position of holes for the steering mast/brake/clutch/accelerator pedal shafts, as well as the basis for which to properly attach the front clip.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission