MPG for 3.5 with 3.73 - Page 3 - Ford Transit USA Forum
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post #21 of 122 (permalink) Old 03-19-2015, 10:49:PM
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Originally Posted by VinceP View Post
Thanks.

I haven't seen a BSFC map for a long time; I would be curious to see one for a modern road-going production engine. I had assumed it probably wouldn't be dropping off an "efficiency cliff" for a 13% RPM / load difference.
I don't want to hijack this thread, so I'll try to start a new one tomorrow on this subject. Ford has some general (not size specific) maps that are great in my opinion to better understand EB fundamental advantages.

Depending on load, a 13 percent change in RPM/torque (or more in some cases) won't make any difference. At light loads there is some efficiency difference, but at higher loads (like towing) none to speak off. No "efficiency cliff" to fall off from that I can see.
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post #22 of 122 (permalink) Old 03-20-2015, 12:35:AM
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Agreed, unless you are towing at max and need the extra safety margin..3.73 is overkill with the EB. I would without hesitation tow 5000lbs with the 3.31....but didn't want any question at all should there be a powertrain/warranty issue.
My thoughts exactly. GCWR makes a big jump too. Same reasons why I went for the 3.73 on my (diesel) order.
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post #23 of 122 (permalink) Old 03-30-2015, 10:18:PM
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Cool MPG update(6500mi)

Just took a 1500mi trip to GA and back to DC. Below is mileage data--


Tank#1: 303mi/22.3gal/13.59mpg (1/2 of tank towing box trailer)
Tank#2: 344mi/21.5gal/16.0mpg (70mph interstate cruise, 30deg--10kt head/crosswind)
Tank#3: 371mi/22.9gal/16.2mpg (65-70mph interstate cruise, 40deg, light wind)
Tank#4: 400mi/22.6gal/17.7mpg (55-60mph backroads, rolling hills, 60 deg-light wind)
Tank#5: 410mi/23.2gal/17.6mpg (65mph cruise, 60deg-light tailwind...TOWING 700LB johnboat)


My mileage is improving with time. I will doubledown on what I said...van is very sensitive to temperatures and wind. Noticed significant drop in cold/windy conditions(even crosswind has big effect on mpg)


Love the van. Drives really nice..no problems whatsoever towing. Don't know if I'd do better mpg with the 3.31 rear end...but feel confident with the hp I would have no problems.(Looking back I would probably order the 3.31 if I were to custom build one).


Nate
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post #24 of 122 (permalink) Old 04-03-2015, 03:28:AM
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one more tank...

Just filled up again...

About 1/3-1/2 of this tank towing 700lb Jon boat on trailer, almost all interstate 65mph with cruise set.

419mi/24.3gal== 17.24mpg

Not too bad considering I had a 700lb weight on the back. I think 18 mpg is a pretty good hwy estimate with 3.73 @65-70.(non-towing, negligible wind)

Nate
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3.5L Ecoboost, 3.73 ls,med roof,9000 gvwr, lwb
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post #25 of 122 (permalink) Old 04-16-2015, 05:33:PM
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California Trip MPG

wow...not too many 3.73 vans out there...








I will post detailed mpgs later, but just completed a 8200mi trip--dc to boston to LA, sf, then back to Boston and finally home to dc.






About 50% towing a 2000lb boat trailer...with full load(est 2500-3000lbs cargo)


Overall, got about 14-15avg going west(into the wind towing) and about 17 coming back.


Overall avg for trip== 16mpg


I have 14,000mi on van now...15.27mpg lifetime avg. (This includes towing about 50% of the time)
Pics attached.
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3.5L Ecoboost, 3.73 ls,med roof,9000 gvwr, lwb

Last edited by Nathan Green; 12-31-2015 at 01:09:AM.
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post #26 of 122 (permalink) Old 04-19-2015, 08:13:PM
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Originally Posted by Nathan Green View Post
wow...not too many 3.73 vans out there...


I will post detailed mpgs later, but just completed a 8200mi trip--dc to boston to LA, sf, then back to Boston and finally home to dc.


About 50% towing a 2000lb boat trailer...with full load(est 2500-3000lbs cargo)


Overall, got about 14-15avg going west(into the wind towing) and about 17 coming back.


Overall avg for trip== 16mpg


I have 14,000mi on van now...15.27mpg lifetime avg. (This includes towing about 50% of the time)
Pics attached.


California Trip#1-- DC to Boston, Boston to Taos NM, Taos to LA then SF, back to LA, Lancaster PA, Boston, NYC, then home to dc


TANK#1: 386mi/22.5gal/17.16mpg (DC to Boston, empty)
TANK#2: 329/23.0/14.3mpg (Ct to PA, full load+2000lb boat trailer)
TANK#3: 107/7.4/14.46mpg (OH, full load+2000lb boat trailer)
TANK#4: 327/22.4/14.6mpg(full load+2000lb boat trailer, 65mph)
TANK#5: 342/22.6/15.13mpg(full load+2000lb boat trailer, 65mph)
TANK#6-7: 452/31.6/14.37mpg (IN, full load+2000lb boat trailer, +1 tank)
TANK8-9: 454/31.6/13.36mpg(ks, full load+2000lb boat trailer, +1 tank
TANK10: 354/26.5/13.36(Ks...uphill +crosswind, full load+2000lb boat trailer)
TANK11: 230/18.6/12.37mpg(nm....uphill with strong40mph+ headwind.cross, full load+2000lb boat trailer)
Tank12: 192/14.7/13.06 (nm--rocky mtns....uphill with strong40mph+ headwind.cross, full load+2000lb boat trailer)
Tank13: 133/7.7/17.27mpg(flat, full load+2000lb boat trailer)
Tank14: 365/22.5/16.22mpg(ca... full load+2000lb boat trailer)
Tank15: 375/22.7/16.52(ca, full load+2000lb boat trailer)
Tank16: 364/19.8/18.38(ca...empty)
Tank17: 342/19.1/17.91mpg(ca..empty)
Tank18: 342/22.9/14.93(az..1/2 full...80mph)
Tank19: 355/21.8/16.28(nm..80mph)
tank:20: 411/24/17.12mpg(tx...80mpg)
Tank21: 344/23.7/14.51mpg(Missouri, 20mph headwind)
Tank22: 360/23.0/15.65mpg((Illinois, 20mph headwind)
Tank23: 359/23.6/15.21mpg (Ohio...+4hrs idle time)
Tank24: 546/33.3/16.4(Tank+1, nj)
Tank25: 419/24.5/17.1mpg (ct)


Overall avg:16.1mpg(about 50% towing) **See previous post for pics of "full load" + boat trailer


Nate
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post #27 of 122 (permalink) Old 04-19-2015, 08:27:PM
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Thanks Nate for the detailed reporting. Just curious if you don't mind me asking, on the recent California trip with a full load towing the boat and trailer, did someone hire you to help them move? In my youth I drove quite a bit from coast to coast, but nothing like you are doing!

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 #28 of 122 (permalink) Old 04-19-2015, 08:46:PM
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Cool

Quote:
Originally Posted by PeterR View Post
Thanks Nate for the detailed reporting. Just curious if you don't mind me asking, on the recent California trip with a full load towing the boat and trailer, did someone hire you to help them move? In my youth I drove quite a bit from coast to coast, but nothing like you are doing!

I un my own small business moving items--small furniture, trailers and a lot of pets cross country.


My website: (shameless plug) : www.shipgreenlogistics.com


Think Shipping Wars but less large items and more ordinary smaller items. Most of my towing is single axle trailers and with the van now(was using suburban suv before) more furniture. Always have a bulk of business is pets.


Items come from a variety of sources--People who are moving/relocating. I have a couple trailer dealers where I tow new trailers, 5-6 dog breeders, and then there are small business that shop nationwide for antiques/auctions to resell. Also, just a lot of people that buy stuff off ebay/craigslist.


Sorry to be off topic.


Nate


BTW-- I am headed out tomorrow for another trip DC-California. So I will have 20k on my van in less than 3months!! It had better hold up maintenance wise...



3.5L Ecoboost, 3.73 ls,med roof,9000 gvwr, lwb
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post #29 of 122 (permalink) Old 04-19-2015, 09:21:PM
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Cool business! I missed my calling . . .

BTW there is an Off-topic Lounge forum here where I think it might be appropriate to start your own thread about your business, and where others could chime in about theirs.

http://www.fordtransitusaforum.com/off-topic/

Hearing about the business uses of this new Transit design is interesting in my opinion.

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; 04-19-2015 at 09:37:PM.
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post #30 of 122 (permalink) Old 04-26-2015, 09:45:PM
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I just returned from my first trip towing with the Transit.


My trailer is a Lance 1685 empty 3200, gross 5200 I would say the trailer this trip was less than 5000lbs.


The route was down from Vancouver, B.C. on I-5, up over the Snoqualmie pass on I-90, 3200ft?, various passes on the way to Yakima, Wa. about 22-2600 ft. I kept the speed as close to 60mph as I could.


I never came close to flooring the throttle, you just ease on the gas and away it goes. VERY IMPRESSIVE power when towing.


I went 860 kms=534 miles. I used 42.27 us gals...35 imp. gals. which makes for 12.6 mpg(US) or 15.2 mpg(Imp.)


MAJOR improvement over the E350, V10, both in gas mileage, comfort
and handling, and that makes me a very happy camper.


Cheers,
Dave.
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