On the inside dan u can run 4 1/2. ×3/16 vertical in the open space also tuck it under the top lip and weld it out top and bottom ive done this for years seems to work pretty good
@@thecadillacdanshow8658 that’s the only thing I noticed in the video lol that’s why I said that maybe I missed something else but that’s the only difference I spotted was the different welding caps