Got my upgraded EFIS displays back. The computer and hookups remain the same. The screen is 1" taller. And the entire face plate is 1/2" taller. So I drilled up the new mounting holes and bolted in place. Then simply hooked up the wire harness. Very impressed with the clarity and brightness of the screens. Also like the new software format for the airspeed and altitude tapes. And of course since the screen is an inch taller, there is now room to display the engine instruments at the bottom. Defiantly worth the $600.00 to upgrade each display.
