I swear to God (who I don't believe in) if you guys have all heard of this one, I'll probably just cave and keep trying harder.
Information on this ultimate of the wedges is very scarce. I'm literally looking at books! Books I tell you!
So in the 70's Ford bought into Ghia and commissioned a few concept cars. This one, called the Action, came out in 1978 and was designed by Filippo Sapino. It had a Ford Escort Cosworth chassis, and a rear-mounted DFV Formula 1 V8 engine. As you can see, the rear wheels were completely enclosed.
I've been very sick the last few days, I'll put more effort into the next one, I promise.