I was thinking about dipping it all in diesel for a few days. Mine is just the same, sitting dry in the desert heat didn't really mess things up too much... but still...
There are a lot better links to look at, but here is a link to my build thread where Ryan posted good photos of some components . . scroll down about half way.
I pulled the tranny out of my 53 3a and here's what I've got. Of course with the rust and lack of fluid, and sitting in a field for twenty years, nothing moved. After getting the gears all out and mostly apart, it looks like most of it just needs cleaning up. Your thoughts and experiences would be most appreciated.