I did the loosening of the bolts several times trying to reposition things and it did nothing to correct the issue. There was very little play between bolts and bolt holes to make much of any difference.
Here's what mine looks like.
http://www.rv.net/forum/index.cfm/fuseaction/thread/tid/29148228/gotomsg/29148360.cfm#29148360I mounted a large level on the pinbox and made sure it was level with the trailer and not the pinbox. So now going down the road my eye focuses on the level in the rearview mirror and I don't even notice the pinbox being unlevel. I have learned to just live with it.