"I put this one in the category of "if I knew then, what I know now..."

This will not be your last if I knew then, what I know now, you can rest assured......

The short answer: Grind the phenolic blocks down, it won´t bite you in any way!

The slightly longer answer: In fact, it might actually prove to be an advantage, because you might not have to add foam strips to the main spar top cap, to prevent the seat pans from rubbing on the controls.

If, for no reason, you decide to relocate the hole centers, you could just enlarge the holes and install a bushing, which might be a good idea anyway.

The third option is to do like me. I am so bloody darn good at building aircraft, that I do not need to pay any particular attention to angles at all! As a result, one of my holes was slightly out of angle. I corrected the angle with a small round file and VOILA!, the LH control stick now had some 1/32" vertical play. #%¤# !!!
I then drilled a small hole, 1/16" or so, from the top aft (rounded) corner down into the now 1/4-and some" hole, taped up the insides of the control assy, greased the 1/4" bolt slightly, installed it tightly and then gave it a good squeeze of epoxy through the 1/16" hole, using a small syringe. Problem solved.

Regards
Tim Jorgensen
360 Gamma (MKIIFBOB) 95%