MPG for 3.5 EcoBoost with 3.31 rear end - Ford Transit USA Forum
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post #1 of 595 (permalink) Old 01-02-2015, 03:29:AM Thread Starter
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MPG for 3.5 EcoBoost with 3.31 rear end

It would be helpful if owners of either Vans or Wagons with the 3.5 EB and 3.31 rear end (with or without LS) could post actual MPG numbers as we all start to learn the limits of this "EcoBeast" set up. [just read someplace that Ford got trademark/copyright protection for this name]

For now let's include all lengths and roof heights, using the Transit's computer MPG and/or hand-calculated figures. Running totals for the life of the vehicle, and for various discreet trips will be helpful, for those so inclined, in my opinion.

I will chime in when I get my Wagon in the Spring. For now, it will be interesting to see how other folks are doing.

Thanks

PS -- Edit -- It will be very helpful if you can update your signature (via the User CP at the top right) to include all pertinent information, so that it is not necessary for others to ask about the details of your Transit. Thank you.

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

Last edited by PeterR; 01-02-2015 at 04:43:AM.
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post #2 of 595 (permalink) Old 01-02-2015, 10:03:PM Thread Starter
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Here are some recent 3.5/3.31 MPG reports.

Quote:
Originally Posted by bbird View Post
I have a 250 the low roof extended, 3.5 with the 3.31 gears. It is also Blue (which has 10 more hp than white)
. . .
Now for the fuel economy. I run snow tires and have been experiencing low temps. This combination is costing me between 10-15 %. I did manage to get 19 MPG on the Interstate doing about 68 MPH. come spring I can see this van getting 22 MPG
. . .
My 5,000 mile review


rmcnelly [low roof 130" WB Wagon] on 12/6: Happy new owner 150 XLT LR

"Took a rainy road trip up to the mountains and filled up after 420 miles or so. The lie-ometer was showing 20.4 mpg for 2/3rds of the trip when I was keeping the speed at 67mph climbing from sea level up past the Blue Ridge Parkway. The last 1/3rd of the tank included cruising at 74mph much of the time still climbing in elevation, and some city driving. When I filled up, the lie-ometer indicated 19.3 mpg but hand calculated came out to 17.88 mpg. The speedo is very accurate compared to my gps, but I did not check the odometer. The displayed cruise control speed appears off by 1 mph."


and on 12/13: Happy new owner 150 XLT LR

"Put 220 miles on her after filling up yesterday afternoon and driving out to see an Antique store today. Did not exceed 67mph on the highway, had some city driving, and the dash showed 20.5mpg when I got home. I had about 20 city miles on it (nothing over 40mph) before we left this morning, and was showing 17.5mpg (even with the warmup this morning as I scraped off the frost). It will easily beat the city mpg estimate."


Other owners of recent 3.5/3.31 deliveries have indicated they will post MPG when they can.

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

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post #3 of 595 (permalink) Old 01-03-2015, 06:37:PM
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Garage
I have over 2600 miles on mine now and Tripmeter 2 is showing 18.2 mpg for the last 1900 miles (probably 60-70% highway miles). I'm just going to let Tripmeter 2 keep a running total (except it won't include the first 700 miles or so). Normal load is just me and one passenger. I removed the 3rd and 4th row bench seats (heavy!) last weekend but still have the 2nd row 2 passenger bench and the 3rd row jump seat installed.

The last tank started off really bad. I got caught in some tough city driving, lots of lights and delays, and not exceeding 35 mph. It was showing less than 14 mpg until I went for a 200 mile drive on New Years Day. That didn't go so well either as I couldn't break 18 mpg running 60 mph into a headwind. Made up for it on the return leg but the damage was done. Still, the tank ended with 18.2 mpg.

I've ceased referring to the dash display of mpg as the "Lie-ometer", since I don't believe the gas pumps are well calibrated, and the only constant measurement of fuel used is the Transit's self report..

The sweet spot in town is running it just over 40 mph with very light throttle.


--Rick
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-- Rick
2015 150 Wagon LR XLT 3.5EB/3.31, 10 passenger
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post #4 of 595 (permalink) Old 01-03-2015, 06:59:PM Thread Starter
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Thanks Rick for keeping track of the Tripmeter 2 figure. If 20 MPG is an upper limit, generally speaking, I will be a happy camper when I get my Wagon in the Spring. Your 18.2 MPG over 1900 miles is excellent IMO.

I am guessing that the gas pumps are calibrated more accurately than you seem to feel, as the commerce of an entire industry depends on accuracy there. Whatever . . . , we are all using the same gas pumps (distributing all over the country), so as long as we are all referring to the same "gallon," whether inflated or not in size, our MPG comparisons are useful.

Ditto for the Transit's fuel flow monitor and odometer accuracy. If we are all using the same measuring devices, our comparative MPG figures are useful, even if the base figures are off a bit.

Thanks again for the feedback.

Peter

PS -- Like star gazer (if I am reading him right) I intend to log gallons pumped (to the tenth of a gallon), odometer mileage, and miles run, for all tank fill-ups, in a small spiral notebook as I have done since getting my 1970 Econoline. Otherwise I might find myself listless in life . . . don't you know . . .
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2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

Last edited by PeterR; 01-03-2015 at 07:11:PM.
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post #5 of 595 (permalink) Old 01-06-2015, 07:50:AM Thread Starter
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Airedrifter's thread has early MPG in the 14-17 range.

http://www.fordtransitusaforum.com/f...085-miles.html

His recent trip:

Quote:
Originally Posted by Airedrifter View Post
Well, I've put 6500 miles on the van and still loving it.

There's snow on the roads this morning, I'll give it a workout in a few minutes.

We took the van on a Christmas tour that went from Va to NC to Iowa to Illinois to Virginia. It performed flawlessly. I'm averaging about 16.6 mpg on the Interstate at 70. I tried one tank of 91 octane and couldn't tell a difference in driving or mpg.
. . .
Full post:

One from today.

Thanks Airedrifter and welcome back.

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

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post #6 of 595 (permalink) Old 01-08-2015, 02:56:PM
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3.5 Eco, 3.31 limited slip, med height, medium length xtl

By tank; Actual measurement. The computer is regularly off by 1 to 2 MPG.


MILES GALS MPG
190 13.5 14.1
211 13.5 15.6
334 18.8 17.8
296 23.8 12.4
238 15.32 15.5
327 20.62 15.9
315 18.7 16.8
311 22.05 14.1
311 22.7 13.7
346 23.4 14.8
266 13.2 20.2
316 23.2 13.6
309 22.1 14.0
200 12.3 16.3 Premium gas
305 20.4 15.0
302 19 15.9
355 21.3 16.7
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2015 Transit Wagon 350 XLT, 3.5 Ecoboost, 3.31 limited slip, Medium height, Medium length, Tow package, dual batteries, 110 vlt, SYNC with CD, ...

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post #7 of 595 (permalink) Old 01-08-2015, 03:26:PM Thread Starter
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Quote:
Originally Posted by Airedrifter View Post
3.5 Eco, 3.31 limited slip, med height, medium length xtl

By tank; Actual measurement. The computer is regularly off by 1 to 2 MPG.
[snip]
Thanks so much! Is the computer uniformly off (high or low?), or randomly off (sometimes high, sometimes low)?

Thanks again.

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

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post #8 of 595 (permalink) Old 01-08-2015, 03:29:PM
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What kind of driving? Hwy, city, mixed?

Thanks

(hope city or mixed)
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2015 Transit Van 250 MR 148" EB 3.31LS rear AC. Born on 12/18/2014
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post #9 of 595 (permalink) Old 01-08-2015, 06:17:PM Thread Starter
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Airedrifter, from your tally I get a total of 4932 miles and 323.89 gallons, for an overall average of 15.24 MPG, similar to your previous posts (links above).

Do you happen to recall the driving conditions for the line item with 20.2 MPG over 266 miles? This trip was markedly better.

Thanks.

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.

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post #10 of 595 (permalink) Old 01-08-2015, 08:47:PM
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In my Sprinter when the pump shut off that was pretty much it. No matter how long I waited for the diesel foam to settle, I really could get no more fuel in once the auto shut-off of the nozzle occurred. In my Hondas I can get three more gallons of gas in if I stand there patiently, but of course different nozzles react differently.
Are you guys finding that auto shut-off is pretty much the limit or can you top off well beyond that?
Just curious because I truly believe one day my Transit will arrive and I want to know how best to submit some MPG info to the forum.
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