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Bigger tires more hwy mpg?
Just picked up a 23 3500 HO dually with the 4.10 gearing, I'm considering 255/80R17 (33") or 255/85 (34") "least aggressive tread" tires on the stock wheels. Has anyone had experience with increased hwy MPG with the reduced RPM? I'm assuming the added weight and city driving will offset any...- A6t8vw
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- Forum: 4.5 Gen General Discussion