Standard rims on a 3100 would be 4.5 inches wide.
The optional rims were 15 inch diameter.
Most of the guys here recommend 215-85R16 radial tires as very close to the original 600-16 tires.


Kevin
1951 Chevy 3100 work truck
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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.