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Old 05-05-2016, 01:49 PM   #1
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Tow Vehicle Confused - Need Assistance Please

All,
Need assistance please.

My wife and I are newbies. We have only towed pop up, Army, and Boy Scout trailers. In the next few months we plan to buy a 27FB FC. We need a TV which will also be my daily driver.

I have been reading all the threads about tow vehicles and recognize there are a lot of different experiences and opinions. I appreciate everyone's views. However, much of what I read lacked specific detail or was confusing. For this post, I am asking for objective and precise opinions please.

Here is my scenario.

The 27FB has a GVWR 7600.

The vehicle I am about to purchase is an F-150 Lariat, 156" WB, 4x4, 3.5L EcoB, 3.55, Max Tow with the following specs:

GCWR: 17000
GVWR: 7000
GVW/Base Curb Weight (includes full tank of gas): 4784
Payload: 1668

Using the RV Tow Check Calculator (http://fifthwheelst.com/rvtc_calculator.html) and assuming 410 lbs of passengers, 500 lbs of cargo, and a 15% tongue weight. This calculator says this truck can safely tow up to a 8706 lbs trailer.

Given it is a gas engine, it will lose about 2% performance per 1000 feet of elevation, is this a significant issue during those infrequent trips in the Rockies?

Anyone see any issue with this? Am I missing any calculation or consideration? Safety is my biggest concern. (I would also like to avoid buying an F250 if possible.)

Thanks for your patience with yet another TV question!
Bob
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Old 05-05-2016, 04:13 PM   #2
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One thing you should be careful about is the payload number. The published payload numbers are for barebone vehicles with no options and accessories and are almost always several hundred pounds more than the actual payload -- which you can find on the driver side door tire sticker. Make sure you base your purchase decision based on door jam number and NOT the published number or else you would have much less payload.

With a turbo engine you would not lose as much power when in elevations -- that formula, I believe, is for naturally aspirated engines.

Best of luck to you!
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Old 05-05-2016, 04:35 PM   #3
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We are also newbies to towing, having bought our 27' FC FB last November.

I did the tow vehicle math and up buying a Ram 2500 4x4 Crew Cab with the Cummins Diesel, and a Propride hitch for the FC.

We are on the road out west during the summers and frequently in the mountains. I can say towing with the Ram has been a non-event. I have no problem maintaining 65 mph up interstate 5% grades. Going down, the automatic smart diesel brake engages. I've not actually used the foot brake, at all, during any descent so far.

Being a risk-averse retired Aerospace engineer, I wanted to have sufficient reserve capacity both to reduce my own pucker factor, as well as the ability to trade our 27' FC to that 30' Classic my wife has been eyeing.

Just my experience, there are a lot of folks much more knowledgeable than I am and can advise whether a 1500 is enough truck for a 27' AS.

Rich
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Old 05-05-2016, 04:47 PM   #4
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We have a 25' FC and realized on our shake down trip that our 4x4 van was not such a great tow vehicle for that trailer. I REALLY wanted a new F150 with the 3.5L eco boost. But after doing the math on the 4x4 Lariat, we realized that it would be only a tad bit better than the van. By the time we loaded the trailer and ourselves and the toys (kayaks, maybe a dirt bike), we were right back against the limits of the vehicle. Especially on the mountain grades.

So last week we went with the F250 diesel. And I'm not using it as my daily driver like I would if the F150 had been an option.
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Old 05-05-2016, 04:52 PM   #5
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The F150 will tow that trailer fine. Where you get into problems is on the payload number. Once you load the trailer and yoursel into the truck, you won't have enough capacity to carry a motorcycle, for example. If all you are carrying is your clothes and some food and a generator, you'll be fine. But if you want to do like the previous posters and carry a lot more stuff or tow something heavier in the future, you don't have a lot of spare room to grow. That may or may not work for you.
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Old 05-05-2016, 05:15 PM   #6
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Tow Vehicle Confused - Need Assistance Please

To cut through all of the clutter, tow vehicle calculators, and spreadsheets.......

Get an F250, then go enjoy travelling anywhere you'd like to go without having to worry about your tow vehicle.

You won't regret it.

Just my 2 cents worth.


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Old 05-05-2016, 05:55 PM   #7
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3.5 ecoboost

Quote:
Originally Posted by rhoelscher View Post
All,
Need assistance please.

My wife and I are newbies. We have only towed pop up, Army, and Boy Scout trailers. In the next few months we plan to buy a 27FB FC. We need a TV which will also be my daily driver.

I have been reading all the threads about tow vehicles and recognize there are a lot of different experiences and opinions. I appreciate everyone's views. However, much of what I read lacked specific detail or was confusing. For this post, I am asking for objective and precise opinions please.

Here is my scenario.

The 27FB has a GVWR 7600.

The vehicle I am about to purchase is an F-150 Lariat, 156" WB, 4x4, 3.5L EcoB, 3.55, Max Tow with the following specs:

GCWR: 17000
GVWR: 7000
GVW/Base Curb Weight (includes full tank of gas): 4784
Payload: 1668

Using the RV Tow Check Calculator (http://fifthwheelst.com/rvtc_calculator.html) and assuming 410 lbs of passengers, 500 lbs of cargo, and a 15% tongue weight. This calculator says this truck can safely tow up to a 8706 lbs trailer.

Given it is a gas engine, it will lose about 2% performance per 1000 feet of elevation, is this a significant issue during those infrequent trips in the Rockies?

Anyone see any issue with this? Am I missing any calculation or consideration? Safety is my biggest concern. (I would also like to avoid buying an F250 if possible.)

Thanks for your patience with yet another TV question!
Bob




I have a 27 ft, AS I pull with a 3.5 Ecoboost with max tow pkg. I get from 11 to 13.8 mpg. Altitude does not affect performance in the higher altitudes because the twin turbos solve that problem. you will love the truck
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Old 05-05-2016, 06:01 PM   #8
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We brought our 2013 25FB International home from the dealership with our 2007 Mercedes ML320 CDI diesel. At 55 mph all the way, no issues empty. Once loaded for camping, the axles were overloaded and we migrated to our 2012 Ram 2500HD Cummins and that cured the towing issues. Trading up to the 2014 31' Classic was a non-towing vehicle change event and seems to be the perfect match. The Classic scales 9,200 pounds when we depart on a trip and the entire rig scales just over 19,000 pounds.

We have the power to maintain speed both going up mountain and engine braking to maintain speed going down mountain. It works wonderfully for us.
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Old 05-05-2016, 07:44 PM   #9
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Since you are not a "full timer" (whatever you want that to mean) you will be fine towing your 27 with a 3.5L Ecoboost F-150. Watch the load on the hitch and you will be OK. If you were full timing in mountain country (or more than one of two months at a time traveling) I'd encourage you to consider a F-250 diesel, but until that is the case, enjoy your F-150!
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Old 05-05-2016, 07:44 PM   #10
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Eco Boost will perform at altitude with no problem. Your situation is like mine, but mine is worse. I have 2013 Platinum, loaded, but only 1100 payload. The new body is aluminum so you gain several hundred pounds. Your problem is not going to be the weight of the trailer, but the payload of the truck. If you load that trailer, you are looking at over 1000 pounds of hitch weight, your 500 pounds of cargo and 410 in passengers, you are over the payload rating of the 150. In fact, you are approaching the limits of the 250-I looked at one last week and the door sticker showed just over 1900 lbs. A lot of people overload their TV payload and get away with it, but I do not want to worry about having to weigh everything I put in the truck. I would load the trailer to the max and lower the load on the truck. No problem with the truck pulling that load.
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Old 05-05-2016, 07:47 PM   #11
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Also, if you can manage the payload weight, that truck will pull anything in the Airstream line of trailers with no problem.
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Old 05-05-2016, 07:53 PM   #12
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Thanks everyone for your thoughtful replies! We will keep watching this list and thinking about it. Once my wife and I decide, I will let everyone know what we decided to do. Thanks again!
Bob
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Old 05-05-2016, 09:15 PM   #13
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I'm just curious as I don't "have a dog in this fight". I don't have that big of an AS and don't intend on getting a bigger one. But my question is ....what is your aversion to going to the F250? The truck physical dimensions I believe are pretty much the same of course the capacity of the two vehicles are in fact different. But is it mileage that concerns you?

My son just traded a 2013 Ford F150 Raptor with the big engine...gas. Out here in western Montana he averaged close to 12 to 14 mpg. His new vehicle is a Dodge Ram 2500 Diesel with the Cummins motor. His mileage has actually "improved" and the truck is a "brute" when it comes to towing capacity and it surprisingly quite. That really surprised me...doesn't sound like the typical diesel powered PU.

I'm not trying to "sell you a truck" but reading what you posted and what the others have posted make your decision an interesting one. The "trend" that I've noted on this "forum" over TV is most 150 owners sooner or later become F250 or Ram 2500 owners.

There are some great YouTube video channels on the subject of AS ownership and what "works and what doesn't"....you may already be aware of them but one that comes to mind is "Long Long Honeymoon".

Good luck with your final choice!
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Old 05-05-2016, 10:07 PM   #14
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Quote:
Originally Posted by Rpatrick16 View Post

My son just traded a 2013 Ford F150 Raptor with the big engine...gas. Out here in western Montana he averaged close to 12 to 14 mpg. His new vehicle is a Dodge Ram 2500 Diesel with the Cummins motor. His mileage has actually "improved" and the truck is a "brute" when it comes to towing capacity and it surprisingly quite. That really surprised me...doesn't sound like the typical diesel powered PU.
My Ram 2500 is my daily driver when we are not on the road. It works pretty well. For a pickup of that size, it rides very well, and the engine (for a diesel) is pretty quiet.

I opted for the Ram Boxes, which is a phenomenal use of space. I chuck all kinds of things in these lockable compartments.

In fact, it was the Cummins, the rear coil-spring suspension and the Ram boxes that sold me on the truck. Nothing wrong with Ford or GMC/Chevy, of course, but the Ram really suited me.
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