see i average 14-16mpg with 35'' toyos, but maybe its because i have a 4.10 rear end?? my buddy has the same truck but with 35'' mud terrains and 3.73 and he is happy if he gets 11-12??? does going from 3.73 to 4.10 that big of a deal!!! and he said i was stupid for getting the 4.10's!!!LMAO
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2008 3500HD Laramie, 6.7L cummins, 6 speed auto, 4.10 rear end, short box, black,lots of chrom, sun roof, nav, rear seat dvd,Bull bar, Line-X, rear tool box, fifth wheel,winch ready bumper/pre-runner bar, 2.5'' lift kit, 35'' toyos/ 20'' AE 079 SERIES, EDGE/Attitude(HOT), airaid stageII. and on the way badp 5'' duel tbe, EGR delete, power puck extreme and PureFlow Raptor 150GPH fuel pump
