Finally worked on something other than the engine - the differential. I had previously scrubbed and hosed most of the grease off the differential, so today was spent wire brushing, cleaning with denatured alcohol, and applying a coat of paint.
Before wire brushing and cleaning:
After:
While working on the differential, some oil had leaked while i tried to clean/paint the underside of the differential. I'll need to look a bit more at this later, but for now, differential painted can be checked off on the list of things to do.