I don't think I need to cut out & replace whole sections of floor. I'll just patch it up.
I'll probably start a dedicated thread like the one documenting the
rust repair on my 2004 Echo winter beater. More useful to people who are searching on the topic.
The floor is the last thing that needs doing before getting the car inspected & licenced.
BUT!
I think I've done all I'm going to do on the MPGiata for a little while. I don't intend to drive the car until later in the summer, and I've got a pile of other projects on my plate.
So a little hiatus for now.