Look on the horizontal part just right of the center web. The 48-51 shop manual indicates the axle numbers are there and I suspect that your 46 would be the same.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
