It was time to test out the fuel trailer. We had used it a few times before the trip . . . but not really.
In reality we waited too long, we were down to a 1/4 tank . . . in a 50 gal tank. We dropped the "dip tube" into one of the three tanks on the trailer, hooked the airline to the truck, let it fill the under-body air tank, open the valve to the pump and ran about 25 gals into the tank on the "She Beast". While that slowly pumped fuel we had tea and something to eat.

It was bad fuel! We had pulled a batch of heating oil from someone we knew . . . I think it was ancient!
The rest of the day was spent with a very colicky mech monster. We thought that climbing hills with a clutch that wanted to slip was tough, now this. 2nd gear hill climbing at 15mph was often the case . . . and we only had a few 8000'+ passes to climb through.

After conquering all the passes, and rolling into one of the ranch-land valleys, we found a mech parts place. We loaded up on some more brake cleaner, a fuel treatment (enough to treat 100 gals . . . we added all of it), and some other odds & ends.
I also bled the primary fuel filter a few times to see if we were getting water in the fuel. That seemed to not be part of the problem.
Another 50 miles, or so, and we added half a tank of diesel (25 gals).

By that night she was feeling better, not perfect . . . just better.