Spent the entire day claying, polishing (not complete correction but enough to take the oxidation and stains off), and waxing the RX7 before going for a short drive (which was the first since I sorted out the carb, it’s very good now). Here are some pictures.

Much better than it was, still far from perfect - which is perfect for a driver. May address the bumper some day, though. It’s pretty bad.
That’s a tape line so I could actually make sure that the oxidation was clearing up as well as it seemed to be. It was.
Driver’s door after polishing. Also visible: My feet, a jug of 10w40, and some MT90.
Getting close to taking over daily driver duty for the rest of the summer - just needs a few more things squared away.