A few pics of the car:
passenger side rocker issue:
driver's side patch job, the tool is placed in the area where the split is:
Again, floors and front pan were previously replaced and are fine. Thick undercoating applied at time of restoration in the early 90s makes it harder to see what is going on but torsion tubes and kidney bowl area does not have any visible corrosion whatsoever.
What do you think?