Thank you all for the replies. I did clean everything as noted, and took some pictures. The lines for te rear a/c weren't as bad as I thought, as Aaron said, the bracket slid forward as described.
The general instruction: Open all doors on the van, remove seats (4 18mm nuts each on the front, my 2nd row buckets have quick release mounts) , dash extension (2 13mm bolts on the bottom and I put 10mm ones in the top sides), dog house (2 13mm and the 2 15mm ones that take 7' of extensions to reach), I will note that the doghose comes off so much nicer without the seats in the van.
Under the hood: If you can see it, you'll be taking it off. Battery cable first! I took off a few extra things since they're a nuisance to work around. I started with the aircleaner (pops off, loosen one clamp), shroud (3 10mm on top and 2 on each side, you need long ext to reach them), belt (3/8 ratchet), fan (2 pair of big channel locks), took out the 2 bottom water pump bolts to drain the motor (14mm), upper rad hose (plyers), tensioner (17mm), unhooked the alternator (2 13 mm, one on the wire stud as a backup and one on the nut, unplugged the reg harness), unbolted a harness from the right side (13mm) and removed the bracket and alt (2 15 mm bolts, 1 15mm nut), removed a bolt (13mm) from beside the A/C compressor, removed the wingnut that holds on the elbow for the intake and then was able to remove the oil filler tube, and pulled A/C and P/S bracket forward (3 15mm bolts, one nut, one 10 mm bolt in a bracket that holds the rear line back on the engine), removed the heater hoses.
Whew! Then on to the engine, several 10 mm nuts and bolts to remove the throttle and cruise cable bracket, slipped the cables off of the throttle body, 14 mm nut to remove the ground lug, unplug, unhook, or remove everything you see. There is a lot of stuff that makes you say "how on earth??? that you just take off one other thing and it is easy to get to, like the coil. 10mm deep is a popular socket. There is an egr pipe that is under the A/C compressor, I squeezed the nut with vicegrips on the 2 of 3 sides I could reach and it came right out. I was shocked by this.
I didn't do much labeling, I am usually pretty lucky in that I remember, things usually only fit one way and have somewhat of a memory (lay back down in place).
I marked the rotor position and pulled the distributor (T20 on the cap and a 13mm wrench on the clamp), unhooked the fuel lines (??? size), took out the 8 13mm (no wonder they leak, lol) bolts and it lifted right out without prying

which is a first for me on the dozens of engines I've worked on. I pulled it out from the front since I didn't pull the oil pressure sensor, But I think I'll pull it and put it back in from the rear, inside the van.
The back coolant passages were full of Dexcool gunk, and the back of the gaskets were disintegrated. Scary. I don't know how coolant wasn't getting in the engine. ](*,)
I then disassembled the intake completely and started cleaning. And cleaning. And then I cleaned.
I cleaned the throttle body with carb cleaner, a paper towel, and time. Same on the upper and lower intake, although I was wary of using carb cleaner on the plastic. I put them in my soak tub, which really only made a big mess of the tub.
Carb and brake parts cleaner are my friend, although both taste kinda bad.
I also used my roloc tool (or whatever it is, it's an air angle grinder with cleaning pads) to clean the heads real good. I put an old shirt in the valley, and used air to blow it out and lots on towels and brake parts cleaner.
The felpro package said that the rocker covers had to come off, but mine didn't. The intake cleared. They leak and the package had the gaskets so I pulled them (13mm, 3 or 4 bolts per side, right on top) and cleaned all of that too. They are plastic.
I put the new injector on the intake, that sucked bad. the tubes were stiff and felt like they were kinking up when installed. I really hope they are OK.
I'm going to go see what I can do on it before work, and I'll check back in and post some pics.