The way I removed the T strips on my 29 phaeton, which is similar to a tudor, only shorter, is to sandblast the T strip sides that are still attached to the panels. This makes it easier to find the spot welds. I then use my die grinder with a 1/4" ball bit and grind out the spot weld. I only go through the T strip when grinding off the weld. When the weld is almost removed, I take a putty knife and slide it between the T strip and panel and with a hammer tap the remains of the spot weld until the T strip and panel separate. I repeat for all the spot welds. I have found that this works pretty well. When assembling the T strips and panels with bolts, I don't reweld the T strips to the panels - I just use the numerous bolts to fasten the panels and the sandwiched T strip together. I believe Ford spot welded the T strips to make the assembly process easier and quicker.
Rusty Nelson