There was (annoyingly)

Sealing the tank plate.
The drill press I borrowed to make the tank plate holes had some bad wobble and there were light gaps under the street 90s. The washers on the other side should cover them fine, but to be safe I used this fill compound that can handle fuel & oil at high temps.

The tank heaters

Album created by album from D. Madison's Marginal Hacks on Thu Jan 28 03:52:59 2016