Found some old pictures before tearing into everything. PO had just fiberglassed over everything. The more we grind, the more rust we find.
Before:
After:
No shortage of fiberglass on the passenger side...
Same story on the front floorboard...
Working back to front. Hopefully the front floorboard won't look like a Fred Flintstone car after a little grinding, but that may be just wishful thinking.