Sorry for the long delay, a few updates...
Found a local spare 80 series tire mount to try under the bed... just need to go pick it up. Not high on the list especially since I used a lot of political capital with the domestic supervisor over the last 15 months getting the 45 back on the road.
Engine Break in:
I did about 45-50 miles around town varying speeds and eyeballing the oil pressure and temp gauges. Lots of power and a few minor stumbles here and there, mostly up a hill at 3/4 throttle. This may be a timing issue but I haven't addressed it yet. It runs great and the throttle is very responsive. I really only need the first 1/4" of this to get off the line pretty well.
After that I did a drive up to work in Santa Monica. 100 miles each way. I leave for work at 0400 so it wasn't hard to drive in the slow lane with alternating speeds of 50-65 with short runs up to 3/4 throttle. It was a little maddening but it was early and a weekend so not too many people to call in a deuce. I did another trip up there a few days later with more normal driving patterns. I'm confident the motor is broken in now and did an oil change at about 700 miles. Everything looked good.
#6 Plug wire: I installed a new set of Denso wires after the rebuild and for some reason the #6 plug wire came apart when I pulled it off. I repaired it but I didn't want any issues in the longterm. Denso said they don't have a consumer warranty and RockAuto said suck it. Ha ha. Bought a new set for the #6.
Temp: I was a little worried about the temp at first as it runs higher on the gauge than I remember from the F135.
A quick check with the thermal gun on the thermostat housing and my mind was at ease...
After the 200 mile round trips I noticed a few drips of coolant under the old Eaton heater...
So I decided to pull the heater and get it re-cored. I haven't taken it in yet because 1- It's summer. 2- I have heated seats 3- I'm trying to decide if I add AC (OK now I've lost my mind). Ghetto temporary hose routing...