Last trip, I noticed my 2012 F150 3.5 ecoboost started to heat up about 5 minutes into a hard climb. Slowed to 60mph and it went back to normal. So I'm looking at having the radiator hot tanked and ...
2) Even if the truck has enough power to hold a higher gear, turbo motors make less heat in lower gears when they are making power by turning faster, which allows less boost.