Okay, so as for updates, I removed the rear end and had it taken to get rebuilt. The shop is going to add a posi-traction unit, 3.73 gears, add a forged 1350 pinion yoke, and paint the entire housing. Parts should have arrived on Friday, or today, so I should get that back this week.
I haven't been able to do much because I've been sick with a damn cold that just wiped my energy after a very short amount of time. I'm about 90% now, so I'm hoping I can get back on it and get moving. I did manage to get my water pump heater hose fittings out and tapped for the A/C line type fittings. I'll be using the EZ Clip fittings for the heater hoses as well. Here's a pic of one A/C fitting next to the factory hose barb type fitting.