Tried to test mount the wing root fairings, and ran into a little problem with the tank attach brackets. Here are some pictures:
Note here I have indicated the material that needs to be removed to have the wing root fairing sit correctly.
Van's said that I can just trim the F-863 so that the wing root fairing will fit, but there is not quite enough meat at the top. They suggested that I install a 3rd bolt in the middle, but since I've already cut out the middle as recommended in the plans, I'll just fabricate a new part. I've ordered a new bit of channel that I originally used to make the part, and it should get here in a week or two. Not a big deal, since there are plenty of other things to work on.
Update: The material arrived, and I made new brackets. Here is the article:
http://www.rv8.ch/article.php?story=2004090323465399