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Old 05-04-2011, 04:16 PM   #21
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I believe that the problem is two fold, people are complaining about mpg's while towing with a 3.55 in an ecoboost that was not yet broken in yet. Let's look at the mpg's of people towing with a 3.73 rearend and a broken in engine.
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Old 05-09-2011, 11:16 PM   #22
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My buddy with the Surveyor 264 and the ecoboost with 3.73s just got 10 mpg at 65 to 70 mph on his first towing trip. only 1,000 miles on the truck. flat topography.
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Old 05-10-2011, 09:10 AM   #23
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getting better

I did get better mpg on a very short trip towing the other day, 10 mpg, I now have 5000 miles on the motor, (ecoboost 3.73 tow max, 4x4, crew) my first trip was 8.5. I tow a 30 tt, flagstaff, total wt. 6500. I have a very long trip coming up soon, and will post my info.

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Old 05-10-2011, 03:13 PM   #24
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Yep, it's the long trips that really tell the story. Then you can do back to back tanks and often under different conditions. I can average 11 mpg towing on 55 mph 2-lane highways in the midwest but a trip to the Rockies with wind and elevation changes is usually 10 mpg. These are 2,000+ mile trips so a good read.
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Old 05-12-2011, 11:20 AM   #25
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I have just purchased a F150 with eco boost and it's great, no problems at all with towing and I also have a 30' trailer. I have towed 3 times already and it's been great. I got almost 9.5 mpg. I am taking a longer trip this weekend and will see how it does and post.
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Old 05-14-2011, 09:08 AM   #26
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detail are always good. trailer weight. travel speed. temp and wind conditions. obviously, wind and travel speed have a huge effect on mileage. i look forward to reading about your results. thanks!
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Old 05-14-2011, 10:00 AM   #27
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Think of it this way. Normal/empty cruising, low boost, the engine is using 3.5 L of air. Maybe a little more since there is some boost. It uses the proper amount of fuel for that amount of air. When you need the power the the turbo spools up and forces the equivalent amount of air the bigger V8s need. It has to add the correct amount of fuel for that amount of air. It does not matter what size the engine is. Fuel use is determined by the amount of air it uses.
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Old 05-16-2011, 08:58 AM   #28
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Right. So unless you are constantly drag racing or doing heavy hauling, there is money to be saved.
Let's say 5% of total mileage is towing, and another 5% is having fun at stoplights. That leaves 90% as normal cruising and getting to work and back. That's 90% of the time getting better gas mileage.
The 10% you are working it or having fun, you expect to use more fuel. But overall, you will save money.
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Old 05-16-2011, 09:15 AM   #29
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Hello, just got back from a weekend haul to Boyne, I have a 30' Wildwood and the road was hilly, windy. Had to travel back at about 50 mph due to the wind and trailer was empty of water and waste. I got 9.7 mpg on this trip and was very happy with that due to the weather conditions. My 2011 Ford F150 5.0 with eco boost did very well with power and holding the road. Travel distance was about 190 miles
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Old 05-16-2011, 09:21 AM   #30
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Quote:
Originally Posted by dlzeller View Post
My 2011 Ford F150 5.0 with eco boost did very well with power and holding the road. Travel distance was about 190 miles
Do you have the 5.0 V8 or the 3.5 V6 EcoBoost?
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