First, I followed Tacobill's write up on removal of the covers:
http://forums.themustangsource.com/f669/ford-racing-3-valve-cam-cover-install-w-pics-453730/
Once removed, I sprayed them with a heavy coat of brake cleaner and scrubbed as much dirt off as possible.
Then I sanded the covers with 220 grit sandpaper. They actually clean up pretty good but it takes some time. I have about an hour in each cover for prep time.
I then shot them with high temp primer, sanding with 800 grit in between coats (3 coats).
Then I shot the basecoat, which in my case was Duplicolor Perfect Match paint (
sonic blue).
Finally, I shot 3 coats of clear.
I will post some pics when I get them reinstalled.