36 Gallon Fuel Tank Option on Ecoboost F150s! - Page 2 - Ford Inside News Community
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post #11 of 13 (permalink) Old 02-16-2011, 06:26 PM
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Re: 36 Gallon Fuel Tank Option on Ecoboost F150s!

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Originally Posted by jaydee View Post
Just a theory, but the EPA fuel economy drive cycles are run with a full tank. It's possible that the extra 65 lbs in gasoline would have dropped either the city or highway (or both) cycles by 1 mpg on the sticker, which is extremely valuable from a marketing position.

Similarly, I know that the orginal Ford Escape Hybrid had a "rated capacity" on the fuel tank (and stop trigger for the gas pump) that was below the max orignal capacity, because if it were full, it would push it into the next EPA vehicle class per its weight. Heard this directly from a Ford engineer during a lecture at a univerisity some 5 years ago.
Thats very interesting. This theory has been kicked around but nobody can or will confirm it. Its like a dirty secret. I guess though it begs the question why they cant make the big tank an option if what you say is true and try to skirt the epa with the smaller one? They take the highest geared rear ends to the tests. I have read a lot about it but never got a clear cut answer from anybody.
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post #12 of 13 (permalink) Old 02-16-2011, 08:50 PM
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Re: 36 Gallon Fuel Tank Option on Ecoboost F150s!

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Originally Posted by 3Mach1 View Post
Thats very interesting. This theory has been kicked around but nobody can or will confirm it. Its like a dirty secret. I guess though it begs the question why they cant make the big tank an option if what you say is true and try to skirt the epa with the smaller one? They take the highest geared rear ends to the tests. I have read a lot about it but never got a clear cut answer from anybody.
It wouldn't surprise me especially with the government forcing EPA numbers to increase. I wouldn't call it a dirty little secret just doing what you have to do to play the game.
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post #13 of 13 (permalink) Old 04-16-2011, 10:32 PM
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Re: 36 Gallon Fuel Tank Option on Ecoboost F150s!

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Originally Posted by wingsnut View Post
I can't imagine getting only 200 miles on a tank using the EcoBoost motor, because I can't imagine getting only 10mpg towing, unless you are driving real hard and past the tow/haul limits. I have towed many things, although nothing past 10K, but I do know that plenty of torque is your friend, even for fuel economy. And if you do this frequently, I am not so sure the V6 is for you, nor is the F-150. Perhaps you need a SD Diesel, that will save you money and will tow much easier. Ford must have had a reason for the lack of a larger tank. Shame however for some.



So either
In latetest road test, Mike Levine at pickuptrucks.com averaged 8.3 mpg with a 9,000 lb trailer. With the acceleration tests removed the average was 8.5 mpg.

Ford says not to let the tank go down below 1/4 tank, so using 8.5 that would mean you would have to fill the tank every 165 miles with the 26 gallon tank.

They did go on a pretty hard strech of road, but the highest mpg during the entire trip towing was 9.64 mpg. Most of the time it was averaging 8-9 mpg.

http://news.pickuptrucks.com/2011/04...-6-part-1.html
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