Titan XXL fuel tank install, 2021 Super Duty

True Story
Half tank has always been my personal minimum, of course there are exceptions. When diesel was $6/gal I wouldn’t let it get below 3/4 full. With airplanes, I run at the top of the tank, again, with exceptions but filling up huge amounts doesn’t make sense when you only use a fraction of the capacity most of the time. In the end, it’s just a mental game.