Highway towing with a 7.3L gas Ford Superduty, especially pulling heavier loads, gets easier when you learn how to lock out higher gears when approaching hills and overpasses. Its simple to do and makes it easy to use cruise control without overtaxing your engine. I demo how to lockout higher gears in my 2021 F-350 7.3L. The same technique should apply to other Ford trucks, at least any F-250 or F-350 made in the past few years.
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