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09-11-2012, 01:01 PM
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#61
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2 Rivet Member
1973 29' Ambassador
Mercer Island
, Washington
Join Date: Aug 2012
Posts: 99
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11 MPG towing a 73 29' ambassador (5,000lb dry weight) behind a 2007 Chevy Tahoe 1/2 ton (5.3L gas with 4 speed automatic)
I get about 19 MPG on the highway without any trailer.
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09-12-2012, 09:20 PM
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#62
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3 Rivet Member
1976 31' Sovereign
Bothell
, Washington
Join Date: Jul 2011
Posts: 176
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1995 k2500 suburban with 454, towing 1976 31 foot sovereign: 8mph average figured by hand at the pump. Same suburban without the trailer: 10-12 mph. Only issue is that there really isn't that much pulling power for the mph cost. 35 or 45 through the Rockies while being passed by every diesel truck on the road, towing a 5th wheel, kind of kills..... Buuuuuttttt..... It's paid for.
__________________
Did you want fries with that?
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10-04-2012, 09:37 AM
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#63
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New Member
2005 28' Classic
2012 30' Classic
Loveland
, Colorado
Join Date: Jan 2012
Posts: 4
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My TV is a GMC DuraMax diesel 6.6 liter turbo 4 door pickup. I tow a 2012 30 foot Classic (10,000 lbs GVW), my milage ranges from 12.1 to 14.7 @ 65 mph mostly in the mountains of CO & WY. I used to have a 5.7 liter gas Tundra, the mileage was 5 to 8 mpg at the same speeds and terrain.
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10-05-2012, 06:13 AM
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#64
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Rivet Master
2020 28' Flying Cloud
Upper St Clair
, Pennsylvania
Join Date: Aug 2011
Posts: 2,943
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We have towed a 30' Flying Cloud with
2011 Ford F150 Ecoboost - 9.5MPG
2012 Ford F250 Diesel 6.7 - 14.00 MPG
__________________
2020 28' Twin Flying Cloud
2021 F350 6.7 King Ranch
USAF Master Training Instructor (TI) & (MTI)- 68-72
Volunteer K9 Rehabilitator & Trainer
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10-05-2012, 10:21 AM
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#65
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Rivet Master
1964 19' Globetrotter
South Kingstown
, Rhode Island
Join Date: Dec 2004
Posts: 1,406
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I agree with Aftermath. I'm pretty compulsive about calculating mileage, but wonder when friend's quote crazy numbers for their cars if they're actually doing the figuring or just kind of "sensing" how many miles, roughly, per gallon. A friend with a Pilot said he gets 30 mpg.... which I found hard to believe. In my 2012 Pilot 4WD, I actually averaged 30.1 mpg (based on the onboard computer, which I've checked against my own calcs, it's pretty accurate) on highway 80, 78 miles, from Oakland to Sacramento, 60mph... and drafting a semi. I don't think I'd try that towing, but it was interesting to see how much of a change reducing a head wind had. The return trip, at 65 or so, no drafting was 25.4. I think too, that the smaller TV doesn't get much better mileage than the bigger trucks towing because it has to work harder to do it. We'll see what she does on the trip to Jackson next weekend.
__________________
Wherever you go, there you are
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10-05-2012, 10:22 AM
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#66
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Rivet Master
1964 19' Globetrotter
South Kingstown
, Rhode Island
Join Date: Dec 2004
Posts: 1,406
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Oops, that's not to say the calcs here are in error or inaccurate...
__________________
Wherever you go, there you are
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10-05-2012, 11:43 AM
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#67
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Rivet Master
Port Orchard
, Washington
Join Date: May 2009
Posts: 4,463
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Quote:
Originally Posted by Globie64
I agree with Aftermath. I'm pretty compulsive about calculating mileage, but wonder when friend's quote crazy numbers for their cars if they're actually doing the figuring or just kind of "sensing" how many miles, roughly, per gallon. A friend with a Pilot said he gets 30 mpg.... which I found hard to believe. In my 2012 Pilot 4WD, I actually averaged 30.1 mpg (based on the onboard computer, which I've checked against my own calcs, it's pretty accurate) on highway 80, 78 miles, from Oakland to Sacramento, 60mph... and drafting a semi. I don't think I'd try that towing, but it was interesting to see how much of a change reducing a head wind had. The return trip, at 65 or so, no drafting was 25.4. I think too, that the smaller TV doesn't get much better mileage than the bigger trucks towing because it has to work harder to do it. We'll see what she does on the trip to Jackson next weekend.
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Lots of times I quote amazingly high numbers just to get a reaction from people. There are many people who feel their gas mileage is a measure of their manhood. (just for equal representation you may make that personhood if you wish) The interesting part is some do that by quoting high numbers to prove themselves better at solving problems, managing things, and having concern about the environment . There are others who quote very low numbers to show their independence from such silly concerns.
So as long as fuel mileage is used a measure of a man's worth, you will never get a straight answer.
Ken
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10-05-2012, 11:44 AM
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#68
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Rivet Master
2018 33' Classic
2015 30' FB FC Bunk
2012 30' Flying Cloud
Grand Rabbits
, Michigan
Join Date: Feb 2010
Posts: 612
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Towing a 2012 30' Flying Cloud, full/wet (est. 10,000 lb.) with a 2010 F250 Crew Cab short bed 6.4l Diesel = 8-9 mpg hand calculated on flats of Michigan/Indiana. I'm sure mountains would reduce it to near zero!
Admittedly, my truck has a cap, a front bumper/winch, and slightly more aggressive tires than I would use if I were trying to improve my mileage. The Airstream is my hunting camp, and I pay for it at the pump every 200 miles.
I'm disappointed in the mileage of the diesel, but it sure has no problem pulling a heavy load (1750 RPM at 70 mph towing).
__________________
Hibby
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10-06-2012, 04:33 AM
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#69
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Vintage Kin
Fort Worth
, Texas
Join Date: Nov 2006
Posts: 8,014
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15-cpm solo, and 25-cpm towing ($4/gl diesel)
This is consistent with almost a dozen others using pre-2008 3rd Gen CTD's and 28' -34' aluminum aero trailers (7k to 11k); under 65-mph.
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10-06-2012, 08:28 AM
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#70
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Rivet Master
2006 25' Safari
St. Augustine
, Florida
Join Date: Oct 2011
Posts: 2,670
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Quote:
We have towed a 30' Flying Cloud with
2011 Ford F150 Ecoboost - 9.5MPG
2012 Ford F250 Diesel 6.7 - 14.00 MPG
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I am surprised at the Ecoboost mileage. I have the pre-ecoboost economy 3V V8 and get about 12 mpg overall with the same tranny only a 3.55 axle. Perhaps it is the trailer difference.
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10-06-2012, 08:29 AM
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#71
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Rivet Master
2012 25' Flying Cloud
Battle Lake
, Minnesota
Join Date: Jun 2009
Posts: 7,714
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Red' what is cpm?
doug k
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10-06-2012, 08:35 AM
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#72
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Rivet Master
Port Orchard
, Washington
Join Date: May 2009
Posts: 4,463
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Quote:
Originally Posted by dkottum
Red' what is cpm?
doug k
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It took me a minute, but I figured out it is cents per mile.
Ken
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10-06-2012, 08:41 AM
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#73
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Rivet Master
2020 28' Flying Cloud
Upper St Clair
, Pennsylvania
Join Date: Aug 2011
Posts: 2,943
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Quote:
Originally Posted by paiceman
We have towed a 30' Flying Cloud with
2011 Ford F150 Ecoboost - 9.5MPG
2012 Ford F250 Diesel 6.7 - 14.00 MPG
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The milages I posted were off both the vehicle computer as well as calculated manually. This was all a curiosity test on my part so, I fueled both vehicles at the same station before the trip, tried as best I could to drive the same speed at all times, stayed at the same campground each day and fueled at the same station for the return home. All fuel stops I stopped fueling at the first auto pump shutoff.
__________________
2020 28' Twin Flying Cloud
2021 F350 6.7 King Ranch
USAF Master Training Instructor (TI) & (MTI)- 68-72
Volunteer K9 Rehabilitator & Trainer
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10-06-2012, 09:00 AM
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#74
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Rivet Master
2006 25' Safari FB SE
Spokane
, Washington
Join Date: Sep 2009
Posts: 1,848
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I understand that the Eco-Boost really shines when it is not towing. When towing the mileage goes down but the truck has plenty of power to get the job done. All in all, if it is a daily driver you will come out ahead.
I have a Tundra that I DON'T drive every day. Mine gets better mileage when towing than the reported EB mileage and I also have plenty of power. Everyone has a different situation. Mine works well for me.
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10-06-2012, 09:55 AM
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#75
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Rivet Master
2012 25' Flying Cloud
Battle Lake
, Minnesota
Join Date: Jun 2009
Posts: 7,714
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Quote:
Originally Posted by w7ts
It took me a minute, but I figured out it is cents per mile.
Ken
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Then the op's 1992 F250 460 4x4 at 9.5 mpg probably beats most of us in actual towing cost. For example, what good is 17 mpg (die$el fuel) towing if it costs $55,000 plus interest, license, and insurance to achieve it?
doug k
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10-06-2012, 10:06 AM
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#76
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Rivet Master
Port Orchard
, Washington
Join Date: May 2009
Posts: 4,463
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Quote:
Originally Posted by dkottum
Then the op's 1992 F250 460 4x4 at 9.5 mpg probably beats most of us in actual towing cost. For example, what good is 17 mpg (die$el fuel) towing if it costs $55,000 plus interest, license, and insurance to achieve it?
doug k
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You forgot to subtract the coolness factor.
Ken
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10-06-2012, 10:14 AM
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#77
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Rivet Master
2012 25' Flying Cloud
Battle Lake
, Minnesota
Join Date: Jun 2009
Posts: 7,714
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Quote:
Originally Posted by w7ts
You forgot to subtract the coolness factor.
Ken
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What's cooler than a '92 F250? Add one cpm.
doug k
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10-06-2012, 11:11 PM
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#78
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Maniacal Engineer
1971 25' Tradewind
Lopez Island
, Washington
Join Date: Jan 2010
Posts: 1,244
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So our 1996 F250 7.3 4x4 that gets 14 mg towing our Airstream seems pretty cool to me .
- Bart
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10-07-2012, 05:24 AM
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#79
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4 Rivet Member
2011 30' Flying Cloud
Arvada
, Colorado
Join Date: Feb 2008
Posts: 411
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Hauling our '11 Flying Cloud 31, I generally expect 10 mph. We own a 2008 Suburban 2500 with a 4.10 rear end. It is also my daily driver and I generally average the same in an urban environment. I will get about 18 mpg on the highway when not towing.
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10-07-2012, 07:25 AM
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#80
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Rivet Master
2015 28' Flying Cloud
Durango
, Colorado
Join Date: Oct 2010
Posts: 623
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Quote:
Originally Posted by dkottum
Then the op's 1992 F250 460 4x4 at 9.5 mpg probably beats most of us in actual towing cost. For example, what good is 17 mpg (die$el fuel) towing if it costs $55,000 plus interest, license, and insurance to achieve it?
doug k
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Of course, most don't purchase a vehicle solely for towing. Choosing a vehicle that meets most of our needs/desires and performs well when towing is my objective. Some like them new, some like them old, some large, some small, pickups, SUV's, sedans - that's why there are choices in the market.
__________________
Safe Travels,
Joe & Joan Donnaway
Durango, CO
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