HammaMan
Well-known member
I don't think you should see any mileage hit unless it's aero. I went from the factory 20s/33" tires to 34.1" LT tires and found virtually no mileage hit
https://www.f150gen14.com/forum/thr...ctory-33s-vs-lt-34s-tires-fixed-course.19977/
https://www.f150gen14.com/forum/thr...ctory-33s-vs-lt-34s-tires-fixed-course.19977/
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