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**wingnut60** · 09-09-2009, 10:44 PM

Glenn,
I got 9-10 with my old F350; now I am getting 8-9 with my F450--BUT, I am pulling a trailer that probably weighs 3000lbs more than your trailer. Speed is the biggest factor in mileage--if you run 70+ (easy to do) than mileage will suffer. I have 2 friends with GM trucks, and both do better than you are saying. What I think is going on---you are a pipeliner, going between jobs, and need to get there quick. That may be the problem. Using a wind deflector won't make a 0.1 mpg difference.
Joe

09-09-2009, 10:44 PM	#3
wingnut60 Site Team Join Date: Sep 2005 Location: Where we park it Posts: 2,838	mileage Glenn, I got 9-10 with my old F350; now I am getting 8-9 with my F450--BUT, I am pulling a trailer that probably weighs 3000lbs more than your trailer. Speed is the biggest factor in mileage--if you run 70+ (easy to do) than mileage will suffer. I have 2 friends with GM trucks, and both do better than you are saying. What I think is going on---you are a pipeliner, going between jobs, and need to get there quick. That may be the problem. Using a wind deflector won't make a 0.1 mpg difference. Joe __________________ 2016 Tiffin 40 QBH 2015 38RSSA, traded 2005 TK3 #1869, 10 yrs of memories, 2017 F450 KR--one more Ford is it 2009 F450 4x4-died; 2010 F450-retired