Looking at your picture of your boxing, I notice that you have a stress concentration that you should address. At the red arrow, you have a bracket for mounting something on the top of the frame, and your boxing plate is cut at right angles to the frame flanges. That makes a spot where the frame goes from stiff to flexible suddenly. The boxing plate should taper toward the flanges to add some flexibility where the boxing plate stops. I drew in a yellow outline where the edge of the boxing plate should be.
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.
