Note: groups.io will be down for maintenance this evening, starting at 11pm Pacific Time (6am Tuesday 8/3/2020 UTC), for up to two hours.
This is the LaRue Mod on my plane. The entire Airheart assembly floats so the pucks stay centered on the disc. Yours appears to be stock. Meaning that the Airheart assembly is fixed. Do you have the original QAC plans for that set up? Those plans will show the required spacing.
Did this problem just happen?
N46JP - Q200