Recent content by Seehorse

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Horrible fuel mileage

Thanks for the info, we'll see what happens after the dealer turns it loose... they've always been great to deal with... I wonder if it has anything to do with buying 4 trucks and 5 cars from them over the years :)
- Seehorse
- Post #7
- Mar 10, 2009
- Forum: 6.4L PowerStroke Engine & Drivetrain
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Horrible fuel mileage

On the speed, I typically run roughly 70-75 cross country, that being the speed limit much of the way. All the mpg is based on the onboard computer, but it's getting roughly 200 miles down the road on a full tank, around 35 gallons. My back of the envelope figures put that at between 5-6 mpg...
- Seehorse
- Post #5
- Mar 10, 2009
- Forum: 6.4L PowerStroke Engine & Drivetrain
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Horrible fuel mileage

I'm not sure what package it has, but I will say that if the dealer can't get the mileage with trailer up above 10mpg then the truck's gone. Yeah, it drives nicely and pulls adequately, probably slightly better than the 05 diesel that had the 18k tow capacity... but it's getting half the...
- Seehorse
- Post #3
- Mar 10, 2009
- Forum: 6.4L PowerStroke Engine & Drivetrain
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Horrible fuel mileage

Ok guys, I've a 2008 F450 with roughly 20k miles on it... I'm getting less than 10 mpg bobtail and between 5 - 6 mpg pulling 17,000lb of trailer. What the heck is wrong with this thing???? That's about 2/3 the mileage that 18 wheelers are getting, and it's HALF the mileage that Chevy 2 1/2...
- Seehorse
- Thread
- Mar 10, 2009
- Replies: 31
- Forum: 6.4L PowerStroke Engine & Drivetrain