[DesertSailor]

First 500 miles 11 mpg or less.

Between 1150 and 1300 saw a 50 mile stretch that hit 15.2 by the 'puter but averaged by hand at next fill up to 12.5.

Number-Guesser showed 11.8 mpg this tank (1500 miles) but hand calc came to 12.2.

Big pull up the WA passes thru OR to south central ID tomorrow. Plan on staying in T/H to see how the numbers fall. 60-65 is top side speed I plan on hitting. Climbing passes at 50-55 is fine with us.

Oh by the way...weighed truck today (took trash to dump) almost full tank (hadn't moved off peg yet), hitch in back, me and three without the dogs. 10,020 lbs...I seem to recall the F-350 at 9300-ish maybe a bit more or less. Raptor is loaded to an estimated 13,000 lb load so we'll see how things roll.

DS

 

[CaptSkup]

I will be happy with 12+mpg on the highway unloaded. I am taking delivery(hopefully) next week of a F-450 Lariet 4x4 4:88's same color as yours(twins). That is a bit more weight than others I have talked to, one guy said with him and a full tanks, his 450 weighed 9200lbs. I think with the family aboard and the Teton ready to roll, I will be very close to max GVWR. Good luck with your trip, looking forward to further reports.