Dealership replaced the tank and the issue is fixed. I can fill up at any station, at any speed, and the tank fills up.That's where I'm at.
First visit - couldn't reproduce.
Second visit - new filler neck (updated part since my truck was assembled). Helped some but not completely. The pump won't shut off at $2 now but it shuts off before the tank is full.
Third visit - they approved replacing the gas tank for the rollover vent. Part on order and I got my truck back.
Fourth visit - TBD. I take the truck in next week for the new tank and we'll see if that fixes the problem.
The only other thing I think it could be is something in the evap system. Since I haven't had any overfill issues (which would have put moisture into that system and damaged components) I'm hopeful that this fixes the issue completely.