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It came with some pretty aggressive all season tires.


I have a BIL who owns an older F-250 diesel. He works for Pirelli and can usually get some decent prices on tires from them. Last year he replaced his AT's with some mud tires. He said he lost 2 mpg with the more aggressive tire. May be part of the problem.


Most people don't really want the truth.

They just want constant reassurance that what they believe is the truth.