remove pitch auto pilot control arm and replace with push rod that has a welded nut on the end. Mine was stripped during the tapping process.
Clean up wiring behand seat back
Fish trim wire, Nav antenna cable, rudder cables, battery vents through nfuse to tail. Rudder holes in bulkhead did not align, so I had to enlarge them significantly. Nick said the bulkhead was not structural and not to worry about how large the holes get enlarged.