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Old 03-31-2011, 04:50 PM   #15
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We had a 25' 06' Airstream with 08 Tahoe; little underpowered, so got a new 11 Tahoe' with 30 more horsepower and 6 speed. Not sure this was a good choice for new Airstream 25', but we will see.

Well, friend of mine just got his EcoBoost for pulling and he is raving about it. Check out these 2 video's if you have not seen yet. First video is impressive; but second video is ridiculous! I have new Tahoe 5.3 and will see about replacing with this new Ford!

1st- NASCAR 24 hour pulling max load 11,000 lbs, max speed!

YouTube - Ford F-150 EcoBoost Torture Test Episode 3: 24 Hours of NASCAR Track Testing

2nd- max load pulling up hill, "flooring it" vs Chevy and Dodge...WOW!

YouTube - Ford F-150 EcoBoost Torture Test Episode 4: Head to Head

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Last month, we told you about Fordís three new powertrains for the 2011 Ford F-150. At the time, Ford announced the truckís first implementation of its 3.5-liter EcoBoost V-6 but was mum on power ratings. Today, Ford said the engine is rated at 365 horsepower with 420 pounds-feet of torque on regular fuel.
Those torque ratings beat out all but the new 6.2-liter V-8, available on the top-of-the-line F-150 and base 2011 Ford F-Series Super Duty. The EcoBoostís toque ratings are better than the 5.3-liter and 6.2-liter V-8s in the 2011 Chevrolet Silverado 1500, the 5.7-liter V-8 in the 2011 Ram 1500, the 5.7-liter V-8 in the 2011 Toyota Tundra and the 5.6-liter V-8 in the 2011 Nissan Titan.
Up to 90 percent of the EcoBoostís peak torque will be available from 1,700 rpm to 5,000 rpm ó intriguing figures, considering the 3.5-liter EcoBoost implemented on Fordís cars and crossovers hits peak torque around 3,500 rpm.
The V-6 can tow 11,300 pounds, which is the same maximum towing figure as the 6.2-liter V-8 and beats the best ratings that Chevrolet, Dodge and Toyota can cook up right now. Maximum payload is rated at 3,060 pounds, again the best rating for a half-ton pickup.
The 3.5-liter EcoBoost V-6 will be mated to Fordís revamped 6R80 six-speed automatic transmission, which is rated for up to 7,000 rpm. The model will also feature Fordís electric power-assisted steering system, new to the Ford F-150 for 2011.
All of this is supposed to give the EcoBoost not only the best towing, torque and payload figures but also ďoutstandingĒ fuel economy, Ford says.
Ford has yet to release final gas mileage figures for this powertrain. The 2011 F-150 will be available later this year; the 2011 F-150 with EcoBoost will be available in early 2011.
  • Best-in-class 420 pounds-feet of torque at 2,500 rpm versus premium V-8 competitors
  • Up to 90 percent of peak torque available from 1,700 rpm to 5,000 rpm
  • Best-in-class 11,300 pounds maximum trailer towing versus all competitors
  • Best-in-class 3,060-pound payload rating versus all competitors
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Old 03-31-2011, 04:58 PM   #16
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Originally Posted by DKB_SATX View Post
I think the question is really whether or not the engine will be under boost all the time while towing in the mountains.

With a 3.5L V6, I suspect that towing a trailer up a grade will always have the turbo generating positive pressure in the intake ("under boost" or "in the turbo"), but I have no special knowledge of the EcoBoost V6. (I'd like to, though... seems like a good package if I were buying a new truck this year.)
Any time your "foot" is into it, it is in boost. It's the way the turbo works.
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Old 03-31-2011, 05:13 PM   #17
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Got the Ecoboost last week. 3.73 with max tow. Averaging close to 17mpg at close to 80mph on freeway through mountains around Bozeman Mt. Averaged close to 19mph at 65mph freeway driving. No towing so far, only 500 miles on the rig.
This was according to onboard computer.

Greg

hmm. that's about the same as I'm getting from my current TV....

hopefully, it will improve with age?
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Old 03-31-2011, 05:27 PM   #18
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I was looking at ecoboost w/ maximum tow package. I stopped by to drive it today, but truck was out at the time.

With the 3.73 epa mileage is the same as the other ecoboost axle ratios, 22 mpg hwy 2WD model. I can see no reason to avoid the max tow package.

The 5.0 V8 is 21 mpg so I don't see buying it only for the fuel economy.


What appeals to me is the big helping of low RPM torque which comes on in the high teens of RPM. It should have pretty near full torque at stall speed of converter. Less downshifting on hills, more diesel like to drive.
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Old 03-31-2011, 06:02 PM   #19
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I was looking at ecoboost w/ maximum tow package. I stopped by to drive it today, but truck was out at the time.

With the 3.73 epa mileage is the same as the other ecoboost axle ratios, 22 mpg hwy 2WD model. I can see no reason to avoid the max tow package.

The 5.0 V8 is 21 mpg so I don't see buying it only for the fuel economy.


What appeals to me is the big helping of low RPM torque which comes on in the high teens of RPM. It should have pretty near full torque at stall speed of converter. Less downshifting on hills, more diesel like to drive.

nowhere have I ever been able to find a Ford F150 "EPA Mileage" table for a 4x4 SuperCab or SuperCrew vehicle, much less with 3.73 gears....

seriously, did I miss it?

you might find similar information in an independent publication, but it's not EPA....


I diagree that "With the 3.73 epa mileage is the same as the other ecoboost axle ratios"

it's virtually impossible that any two "same" modern vehicles, but for the final gear ratio, will achieve the same mpg. the engineering and physics don't work that way.


I'd have been thrilled with the EPA Mileage numbers that get bandied about so loosely, in any of the last 5 F150s we've owned.

too bad they don't really apply to my truck, or the new 2011 models we're all talking about here!
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Old 03-31-2011, 06:24 PM   #20
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[QUOTEnowhere have I ever been able to find a Ford F150 "EPA Mileage" table for a 4x4 SuperCab or SuperCrew vehicle, much less with 3.73 gears....][/QUOTE]

Its on the window sticker. Browse dealer sites where you can see the window sticker.

Re epa mileage, our experiences differ. At least here in so. CA with the mild weather, I've always met or beat the epa highway mileage at steady speeds of about 70 mph. I have had close to 20 hwy mpg out of my last two 2wd half tons, a 1992 Chevy 350 and 1997 Ford 4.6. I've seen some reports of 1800 rpm at 70 mph w/ ecoboost 3.73. With 3.5 liter, perhaps any advantage from even taller ratios is vanishingly low.
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Old 03-31-2011, 06:29 PM   #21
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Originally Posted by jm2 View Post
nowhere have I ever been able to find a Ford F150 "EPA Mileage" table for a 4x4 SuperCab or SuperCrew vehicle, much less with 3.73 gears....

seriously, did I miss it?

you might find similar information in an independent publication, but it's not EPA....


I diagree that "With the 3.73 epa mileage is the same as the other ecoboost axle ratios"

it's virtually impossible that any two "same" modern vehicles, but for the final gear ratio, will achieve the same mpg. the engineering and physics don't work that way.



I'd have been thrilled with the EPA Mileage numbers that get bandied about so loosely, in any of the last 5 F150s we've owned.

too bad they don't really apply to my truck, or the new 2011 models we're all talking about here!
I guess us backwards Montanans are reading something that is not there, BUT the sticker from the window of the Supercrew 4x4 F150 says "EPA Fuel Economy Estimate", then goes on to say city mpg 15 and highway mpg 21.

So it it is not EPA, What does EPA Fuel Econmy Estimate mean?
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