It is honestly impossible to adequately express my relief by what this content of this video means. I've managed to put the damn thing back together correctly! In the two months since taking the car off the road to start a turbo installation that should have, at most, taken me two weeks of part time work, I've swapped the cylinder head, changed out the timing belt, water pump, front crank seal, and installed oil pressure, oil temperature, and water temperature sensors. I've fabricated new parts for the cooling system and I've modified, improved parts for the turbo charger.
On one hand, I was pretty sure I'd put it back together correctly. On the other hand, you never know until you actually know. Now I actually know and it's glorious. Getting it back on the road is an easy jog from here.