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By the way yea i agree the rolling resistance is reduced dramatically with high psi. Just 5 pounds difference is huge. Ive tried running them at factory psi specs with these tires that are on now and trust me...Bllllahhh.. The truck runs like a slug up shifting and downshifting in and out of torque converter lockup and the engine pinging at low rpm and extreme high load and FE drops like crazy. Ive owned this truck since 2011 now and know what it likes and what it doesn't like so factory psi for these tires are out. They have too much rolling resistance for that. But i do know running them high along side of taking the air silencer out of my air box made my truck feel like it had like 30 lbs more torque. : 3 Less energy wasted.
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