From what I have seen, the install would definitely be easier before the fuselage is all closed up (wiring, tunnels, etc.). Also, there are a number of mods required inside the engine compartment.
RV-14A Builder - kit #136, XP-400 Aero Sport Power
N314KC - First flight Mar 8, 2017, >375 hrs
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 12/2018