EDIT: And when I pulled the cap off of the radiator it had brown sludge on it! I thought for sure the head gasket was gone, but then I touched it, and it appeared to be dust-air bubbles and was instantly soluble! Definitely not oil. How weird. Didn't nab a photo, but it looked pretty ugly in a minor sort of way.
A few tweets from yesterday and today:
https://twitter.com/FredCookeNZ/status/ ... 3078521857
https://twitter.com/FredCookeNZ/status/ ... 1933285378
https://twitter.com/FredCookeNZ/status/ ... 5593081856
https://twitter.com/FredCookeNZ/status/ ... 9627404288
Pics:




On with the panels/rust/rust-proofing/etc! Then reassembly of the front end and off to the back to take care of the roof corner, somehow. May involve a professional to help with that, or not.