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Old 10-03-2013, 01:05 AM   #15
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2006 F150 w/tow package pulling 3.73 gears, 22'/4300 lb TT (old style big and square). 18+mpg w/o TT, 10 mpg w/TT at 55/60 mph, 2300-2400 RPM. 8.5 mpg at 65/70. OD off most all the time, do use CC on the flats only.
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Old 10-03-2013, 06:56 PM   #16
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Towing a 5000 lb trailer (about 5800 with gear and water) with a 2012 f-150, 5.0 L, 3.73 gearing. With 3 in the truck and a few hundred lbs in the back, I averaged 10.9 mpg over 2500 km, including crossing the rockies. I set the cruise control to 65 mph.
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Old 10-03-2013, 09:38 PM   #17
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30 ft, 9,000+ loaded TT and a 07 2500 Duramax. Avg 10-11 MPG in hilly country.
From what I'm hearing, 8-10 is pretty much par for towing anything over 23-24 ft.
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Old 10-04-2013, 08:06 AM   #18
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I tow a 2005 30' Roadrunner XL - gross 7,000 with my 2007 F150 / 5.4 / 3.73. I get 14 empty, 9 pulling the trailer. I always tow at 60 - 62 with the overdrive off and cruise on. I turn the cruise off if the roads are wet or traffic is getting heavy. I'm in MI though so now mountains.
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Old 10-06-2013, 06:55 PM   #19
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It's all about aerodynamics, and speed kills. Doesn't matter if it's 3000lbs and 20' or 9000lbs and 36', once it's rolling (on level ground) it's a question of your vehicles' efficiency through the air. Most people underestimate the effect of air and drag goes up exponentially with speed.

Our VW gets around 16mpg+ towing our Winnebago (if I behave). Today I didn't behave, but still got 13mpg at 70mph.
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Old 10-06-2013, 07:16 PM   #20
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1700 lb 6X10 Teardrop trailer 2012 Subaru Outback 3.5L H6. Towing flat and level 65 to 70 MPH, 18 MPG, towing with canoe on top of the car 17 MPG. Car not towing 1400mile round trip to Atlanta 70 to 80 MPH 27MPG. The car consistently gets better MPG on cruse towing or not.
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Old 10-06-2013, 09:40 PM   #21
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1700 lb 6X10 Teardrop trailer 2012 Subaru Outback 3.5L H6. Towing flat and level 65 to 70 MPH, 18 MPG, towing with canoe on top of the car 17 MPG. Car not towing 1400mile round trip to Atlanta 70 to 80 MPH 27MPG. The car consistently gets better MPG on cruse towing or not.
We have a 2012 Honda Civic That is probably not,too diverent from your Outback (size etc) maybe a bit better aerodynamic. I can get 40/45 on the highway, DW gets 35+ and I don't go more than 60.
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Old 10-07-2013, 09:52 AM   #22
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MPG's

On my last trip from MI to CA taking the northern route through Salt lake city 2300 miles. Towing a 8500 lb trailer with a 2004 f-150, 5.4 triton,7700, BIfuel CNG/GAS, 3.73 gearing. With 2 in the truck and a few hundred lbs in the back, I averaged 9.8 mpg on cng in flat country, 8.18 mpg on cng in the mountains,
9.56 mpg on gas in the flat country. I set my cruise control to 60 mph.
I keep very good records as i wanted to see fuel cost for CNG station prices
and what it cost me, Prices per state I paid for CNG where.
IL $2.49 pg, NE $2.03 and $1.93 pg, WY $1.41 $1.69 pg, UT $1.57 pg, NV $2.75 pg, CA $3.00 $1.51 PG.
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Old 10-07-2013, 05:23 PM   #23
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Those are pretty good numbers. What VW can tow a 7000lb trailer, 800-1000lb tongue weight and still have room for gear and passengers?

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Originally Posted by TDI-Minnie View Post
Our VW gets around 16mpg+ towing our Winnebago (if I behave). Today I didn't behave, but still got 13mpg at 70mph.
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Old 10-07-2013, 10:38 PM   #24
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gap23, WOW good numbers for price per mile on CNG.
A few questions-
Where are your CNG tanks located and how big are they (gallons)?
How hard is it to find CNG stations?
I helped convert a Cadillac to dual fuel in the 70s.
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Old 10-08-2013, 12:06 AM   #25
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Cliffy.......Locations:

CNG Stations | Refueling | Prices | Map
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Old 10-08-2013, 12:30 AM   #26
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There is a VERY BIG difference in the amount of HP required to pull a TT and pop-up.
Even if there were the same weight the biggest difference in in Aerodynamics of the 2.

A pop-up behind anything tall like a fullsize Van or SUV might actually help improve the amount of Aerodynamic Hp loss compared to the tow vehicle by its self.
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Old 10-08-2013, 07:24 AM   #27
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CNG

Cliffy MY tanks are in the bed of the truck 24 gallons. I bought the truck used it was Bifuel built by Ford in Ontario Canada. Two see where the CNG stations are in the US CNG stations and Prices for the US, Canada and Europe
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Old 10-08-2013, 08:07 AM   #28
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Those are pretty good numbers. What VW can tow a 7000lb trailer, 800-1000lb tongue weight and still have room for gear and passengers?
Touareg. 7700lbs. Not quite that much on the tongue.
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