As it stands, the side cover is back on, the subframe is lifted and bolted back up, and I coincidentally noticed that I need a new balljoint as the rubber boot protecting it was completely shredded and it won't last much longer like that.
In any case, here'* my progress.
That plate probably prevents the car from being pushed into park while its moving. It can be pushed down fairly easily with the rod as you're inserting it. I first had issues because I thought it was supposed to be rotated.
Shifter linkage plate. The second picture shows the notch that'* open to allow the parking pawl rod to fit through.
Here'* the plate bolted back up and the pawl inserted. This part took me 1 hour. I've forgotten that when I work late at night, I sometimes forget the stupidest things, such as the direction in which you're supposted to rotate a nut to screw it on. I was trying to screw that 15mm nut on in reverse. :facepalm:
Here'* the spring I mentioned earlier, and the picture of it installed:
And here'* the clearance you have between the subframe and the transmission at the frontmost bolt (the closest one to the subframe) with the replacement bolts I put in to get rid of those T40 torx bolts: