I took a break from the engine for a little while to work on my radiator.
I took the stock 4 core radiator to a local shop and, $50 later, it got a clean bill of health. I had the heater hose outlet on the tank brazed shut while it was there.
After a little tin-bending:
And some paint:
For a lower hose, I used the piece on the left:
The upper hose was cut at the the tape:
The upper hose also needed a reducer on the water pump end:
Istalled:
And, since I despise worm clamps, some spring clamps: