Mike when I got done stripping mine it looked just like yours. I didn't get it perfect but close as I could to clean. I finished off cleaning with 36 grit roloc disc on a right angle die grinder. Then I primered it put down the seam sealer and then shot it with 3M undercoating.
DSCN8418 by
bjohnson388, on Flickr
DSCN8468 by
bjohnson388, on Flickr
DSCN8473 by
bjohnson388, on Flickr