Originally Posted by merdith6

I use that really fine sandpaper that is foam backed that is used on furniture. It contours to the metal, and creates a nice finish, and doesn't cause any issues, just remember to clean any parts that you use it on really well with denatured alcohol. That reminds me I need to get some more of that foam sandpaper. It also cleans the crankshaft where the clutch bearings ride, looks brand new.....I find all kinds of uses for that stuff. Cleaning pipes and manifolds too.....