This in NOT my rig, but it's very, very similar to what I ran maybe 20 years back, when I also ran an overhead projector:
I'm putting together a new version as we speak, with a Nexigo ultra-short throw Aurora MKII overhead projection setup, so it'll be flat main screen (4K, 3D). But I can't show you any pictures yet, only a bunch of parts, mostly still boxed.
Won't have anything at all like your instrumentation though. Cars from the sixties-eighties had maybe half a dozen, no HUD, and we are still taxed with just that small amount of info.
Dunno either about how the level of immersion in your rig affects your body movements as a pilot or not, but you will probably have noticed Remco tips his head--as though wearing a helmet, or even just the weight of his head itself alone--into the corners. Love it, and I'm sure I do it too.
Sim racers also run various haptics rigs (you might have some yourself if yours is a DIY or FFB stick there). Among those are seat-belt haptics, where the seat-belts (some do wear them, yes), are suddenly tightened when you are braking into corners to simulate the effect you get when you are thrust forward under hard braking against those same belts.
Hard to see where the shock increase might be as useful under flight-sim conditions...until you land on a carrier and are suddenly snatched up by the number two wire. How many G's then?
They might be good for general "G" sensations too, of course. I've just been told elsewhere that SimHub software will allow eight channels currently for various haptics in it's current versions. You might already be using software far more advanced, of course.