I can tell you for sure that my 1953 5 window did not have any numbers on the frame. I was very intimate with my cab off frame rstoration and my frame was cleaned to the bare metal.

Last edited by sstock; 03/15/2019 2:21 PM.

1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration