Panel Update

Upgrading the panel a little in the RV7. Replacing the GRT WS EFIS with a Horizon HX. Replacing steam gauges with a G5. Keeping the Trutrak Digitrack 2 AP. Want to get rid of the narco Nav unit and Trutrak ADI. Will getting rid of the Nav and ADI be a problem with existing wiring? The other WS will move to passenger side and be the EMS display. NAV info from the 480 will display on the GRT HX HSI. Engine controls will move to the standard center area and other panel oddities will be updated to a more standard configuration.