I have been around this thing for a long time and this subject keeps coming up. I think that the consensus is that the single bolt, with spacer, is the
-------------------------------------------------- Dan I use the single bolt, but what I did to make aliment easier was, I installed the was in anyway you see fit, then I glued a 5/8 block across the bottom of the top WAF, so the wing attachment rests on the block and lines up the bolt holes. Phil Matheson.