FWIW, the 47-51 Truck Service Manual says 0.018" point gap for readjusting old points and 0.022" for new points. There's no dwell spec.
Spark plug gap spec is 0.040" for 1948 trucks and 0.035" for 1949-1951 trucks.


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.