Over the weekend and the last couple of evening I have finished my plenum side and bottom panels and installed my AC Condensor (see picture). I will have to wait on the top of the plenum until I get my nose installed.
Additionally, I spoke to Vintage Air again and was told I could not install my evaporator at more than a 5 degree angle because it would lead to my system freezing up. With that news I had to re-think my position of my AC under the dash unit which left me one option and that was to cut out the top of my passenger footbox and install the unit longitudal with my vents facing the driver. See my pictures of the rough cut out footbox which I intend to build a panel for my AC unit to rest on (secured of course with L Brackets) and then a hood that extends into my engine bay.
Since I will be changing my footbox on the passenger side I intend to make the hood removable so if in the future me or someone else can have easy access to the heater core and AC connections. That part of the build probably will not be completed until next week given my work schedule etc.