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Old 05-04-2011, 03:16 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, 10:16 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, 08:10 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, 02:13 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, 10:20 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, 08:08 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, 09:00 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, 07:58 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, 08:15 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, 08:21 AM   #30
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Quote:
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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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Old 05-16-2011, 08:27 AM   #31
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Hi Doug, I have the 5.0 V8, sorry if I misslead anyone. I do love the way the truck pulls..................
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Old 05-16-2011, 08:31 AM   #32
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I've heard good things about the new 5.0
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Old 05-16-2011, 08:46 AM   #33
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The new 5.0 is awesome. I've only test driven it though. But I am concerned about that fact that the torque peak is at over 4,000 rpm. It's too bad that Ford finally caved in to the automotive mags that continually ragged them about their horsepower. Ford bravely pointed out that it was torque production that counted. The 5.4 did pretty well in that regard; at least peak torque was in the 3,400 rpm range. Now we get the high rev'ing V-8 that the competition has had. Not sure that is a step forward; at least while towing. GREAT sounding motor though and it moves well empty.

Not knocking anyone's 5.0! It's a very nice engine.
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Old 05-16-2011, 09:23 AM   #34
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Doesn't the 5.0 out-torque the 5.4 through most of the rev range though? My 5.4 was a great torquer, and if the 5.0 out-torques it down low plus likes to rev and can breathe at higher RPMs, then it should be great for towing and all-around! The 5.0 truly sounds like a great engine (and from what I have heard, sounds great).
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Old 05-17-2011, 12:58 PM   #35
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Most non-towing people don't understand that torque generation is a more important stat than horsepower. Not a problem on sites like this.

But I think there may be some here that see a torque peak at a higher rpm, and automatically think it won't be as good for towing.

As someone already implied, I think the 5.0L generates more torque at it's torque peak. The question is, how much torque is the 5.0L generating at the 5.4L's torque-peak rpm (3400 according to Acadianbob)?

If the 5.0L generates about the same amount of torque @ 3400 as the 5.4L, then continues to generate more torque thru 4000 rpm....that's a good thing!

The Ecoboost engine appears to generate less torque at the 5.4L's peak, but it quickly makes up for it within about 500rpm (IIRC).

I think the 5.0L is really meant to be the improved replacement workhorse for the 5.4L, with the V6-turbo intended more fpr part-timer towing (a step-up replacement for the 4.6L 3-valve).
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Old 05-17-2011, 01:01 PM   #36
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Quote:
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Hi Doug, I have the 5.0 V8, sorry if I misslead anyone. I do love the way the truck pulls..................
Right. The 5.0L V8 is not an Ecoboost engine.
THAT would be a screamer!!
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Old 05-17-2011, 01:32 PM   #37
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Quote:
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Most non-towing people don't understand that torque generation is a more important stat than horsepower. Not a problem on sites like this.

But I think there may be some here that see a torque peak at a higher rpm, and automatically think it won't be as good for towing.

As someone already implied, I think the 5.0L generates more torque at it's torque peak. The question is, how much torque is the 5.0L generating at the 5.4L's torque-peak rpm (3400 according to Acadianbob)?

If the 5.0L generates about the same amount of torque @ 3400 as the 5.4L, then continues to generate more torque thru 4000 rpm....that's a good thing!

The Ecoboost engine appears to generate less torque at the 5.4L's peak, but it quickly makes up for it within about 500rpm (IIRC).

I think the 5.0L is really meant to be the improved replacement workhorse for the 5.4L, with the V6-turbo intended more fpr part-timer towing (a step-up replacement for the 4.6L 3-valve).
Ecoboost has more power and torque than the 5.0 so I believe there is a complete shift. The 5.0 is probably not meant to replace the 5.4...It is meant to provide a viable option for those truck buyers klinging to V8's and skeptical about a blown v6.
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Old 05-17-2011, 04:50 PM   #38
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Ecoboost has more power and torque than the 5.0 so I believe there is a complete shift. The 5.0 is probably not meant to replace the 5.4...It is meant to provide a viable option for those truck buyers klinging to V8's and skeptical about a blown v6.
Yep right on!

And that IS a good point on 5.0 torque. It would be interesting to see the torque output of the 5.4 and the 5.0 both at about 3,500 RPM. It's quite possible the 5.0 matches or exceeds the 5.4 at that speed. Still, too bad that the peak is so high on the 5.0. I still say Ford caved in on this one.
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Old 05-19-2011, 06:00 PM   #39
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Old 05-24-2011, 11:23 PM   #40
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New Eco Boost Owner

I just bought a 2011 F150 4X4 Lariat with Max Tow, 7650 GVWR, short bed. We are considering the Rockwood Ultra Lite 8280WS. Anyone out there have an experience with that?
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