Describing the problem helps understand it, is what I tell people often. Had to follow my own advice.
I found a decent Remy "Gold" unit with about 3/4 left in the brushes, good resistance A to F, and smooth quiet bearings. Had a coupon, only $22 outlaid, with a $7 year-long return period extension. Got some sun, saw a bald eagle harassing the flocks of geese at the wildlife refuge next door...overall, a nice day in the wrecking yard. Got it home and installed and all is back to normal, had 14.5 volts at idle.
Then found a couple of places on eBay that sell rebuild kits. $30 for bearings, slip rings, regulator and brushes. I might swap the Ford regulator for the kit's and maybe keep the Ford bearings, depending on quality. But I should be ready for the next go-round, whenever it happens. A good rainy weather project.