aec12

Just started putting this ARF together. The instructions say there should be 1 3/8" dihedral in the wings. Here is the problem: With the wing fitting solidly to the wing centerpiece, there is only 3/4" of dihedral. If you pull the wingtip up to get the 1 3/8" dihedral, there is a small gap in the bottom of the joint. Question: Should I glue the wings solidly to the centerpiece and only have 3/4" dihedral or should I pull the wingtip up and acquire the entire 1 3/8 as the instructions say and live with the weaker joint? I guess what I'm really asking is it really that big of a deal whether or not it has 3/4" or 1 3/8" of dihedral?
If anyone has put this particular plane together and can help me with this, I really would appreciate it. Thanks a lot.