So last night when I unloaded the rims & tires and stacked them in the garage, I decided to look at the tire size, to look for replacements. (Tires were shot, so it wasn't a concern) Tire size was 325/50/22's.
So I got 22's instead of 20's. Didn't want that big, but hey, since I have em.
Check out caswellplating.com, a felt bob on a drill would work wonders with some blue rouge. They have everyting you need. And they ship fast. Just go to the finishing forum and post a question. Some of the best metal finishers on the planet lurk there.