wing mounting procedure

[bill v]

I have not installed the wings yet but while building the center section bulkhead I used the bolts to hold the parts together and found two of my bolts were easy to push through four doable but two bolts were too tight I went to the wing thinking it was the sandwich of plates but on the wing spar if I put these two bolts in the thick part of the spar and taped them with a small plastic hammer they sounded tight were as the other six would tape right through. I don't know what I will do yet.

[wirejock]

I would ask Vans to be sure. They may be within tolerance. Maybe a discrepancy in bolt dimension. Did you try the bolts in different holes to see if it was the bolt or the holes?

When the center section was assembled, mine were binding bad on F704 C&D. I asked and they allowed me to run a drill 1/64th bigger through just the C&D holes. They fit tight after but no more binding. They are also very tight in the spar holes. So tight, I didn't tap them in.
I made a full set of eight drift pins for subsequent assembly.

[bill v]

at the time I was assembling the 704 bulkhead using the bolts to hold the parts while riveting and noticed the one bolt went in easy so I took all eight bolts to the wing spar and tried them in a wing hole that had no sandwich of two plates and numbered the bolts on ease to go in the hole two dropped right in and four moved with every tape of a plastic hammer but with two the sound was that of a solid object ( very easy taps) they might go in with a real hammer but they are different then the other bolts

[simatos]

Great advice everyone, now more clear how to go forward, Thanks G