Great sounds reasonable to me. I know my in town mileage isnt that great i only get 12.4 most of time now. I can get it over 13 but im really being easy on it and i dont want my turbo getting to much carbon so i started stepping into it a little more.
I think ill go ahead and put her in because your HWY is exactly like mine, have to keep her under 67 to get 18 and if like to hit 70 in Oregon and 75 threw Idaho. Plus it makes since why on the highway it would get better since there's a lot less back pressure from the open pipe.
Hopping my programmer gets back before the trip so i can at least have the gauges part working.
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08 F350 Crew Cab Lariat Edition 4x4 6.4L Twin Turbo Diesel
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