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Old 07-18-2016, 11:58 AM   #15
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Great comments, thanks. I never pull with a full water tank or waste tanks. I agree, that would be the worst. I'll keep the Tundra through this season, several high passes to go over and I'll think more positively. When my lovely wife saw the Ram 2500 Diesel, her comment was, "what are you thinking!".
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Old 07-18-2016, 12:09 PM   #16
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You may either be overloaded or there is something wrong with your Tundra. I don't know which version of the Tundra—some weigh more, so that may be part of it.

We have towed our same trailer over Colorado Passes many, many times and it goes really fast uphill. I can go 65 or more over Vail Pass if I want to (I usually don't). The fresh water tank is usually full or close to it. Our '07 has 106,000 miles and the engine still is like new. We have the double cab and if you have the crew cab, the truck weighs a bit more, but that is not a big factor. Filled tanks are also a small factor, but if all three are full, that is around 950 lbs. of water and I'm not sure even that is enough to make the Tundra sound as weak as you claim.

Three full tanks, an extra 1,000 lbs. over the cargo limit in the truck bed, two big dogs and/or a well fed family of five in the truck, crew cab, would make a difference. Since most of the time the truck runs at low RPM, when you get over 4,000, it sounds like a jet plane in the backseat. The engine is made to run that way. It is a V8 designed somewhat like old American ones from generations ago—tremendous power when you need it, lopes along when you don't, uses a lot of gas, lasts a very long time.

You don't need a 3/4 ton diesel, you need a mechanic and/or to reduce weight. Load it up, get it weighed to check that part out.

Gene
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Old 07-18-2016, 12:51 PM   #17
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Our '97 Tahoe LS with a standard 350 engine works great. We drag down to 40 mph at the top of Raton Pass in 2nd gear to keep it from trying to shift but we always make it over
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Old 07-18-2016, 01:26 PM   #18
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Just asking, do you have oversize tires on the Tundra, effectively changing the gear ratio?

Do the Tundra's deliver more power with higher octane gasoline?

Are the spark plugs in good shape?

Little things add up.
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Old 07-18-2016, 01:43 PM   #19
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Quote:
Originally Posted by wulfraat View Post
Ford F-350 to pull a 25' 7,000 lb travel trailer? I'd say that is ... um .... overkill

Attachment 267139
I wish it was overkill. Adding up my payload sends me directly to the F-350

Driver 225
Passenger 115
Airstream 1200
Generators 100
Decked storage 200
Bed Cap 200
Decked Storage max capacity 400
50 gal fuel tank 50
Extra diesel weight 120
30 gal aux tank and fuel 300

2910 of needed payload. Also wanted a heavily optioned vehicle. The 925ftlbs, exhaust brake, and dedicated trailering technology are a perfect match for ME in this purpose built vehicle.

It's all about how, where, and what you travel with. It can be ultimately an easy decision if you know these three things. If you don't have a choice on any vehicle then you sacrifice some of these things to meet a budget, or increase risk and mechanical and emotional stress.

Some here are fine with added risk. Some carefully manage their payloads. Some prefer being under max capacity by a comfortable margin.

In short your truck does not have enough power for you to enjoy the ride. Have you considered adding a supercharger?

http://www.caranddriver.com/reviews/...t-drive-review
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Old 07-18-2016, 02:02 PM   #20
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4:30 rear end gears in a Tundra-
381 hp
401 ft. lbs. torque
Nothing in the gas world will do any better.
I absolutely love my Tundra, but I don't live in Colorado, either.
A 3/4 ton diesel is probably the only real viable solution.
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Old 07-18-2016, 02:34 PM   #21
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Quote:
Originally Posted by m.hony View Post
4:30 rear end gears in a Tundra-
381 hp
401 ft. lbs. torque
Nothing in the gas world will do any better.
I absolutely love my Tundra, but I don't live in Colorado, either.
A 3/4 ton diesel is probably the only real viable solution.
A 3/4 ton is a solution to too much cargo, if that is the problem. We don't know that it is.

A turbocharger is a solution to reduced power at altitude. There are gasoline engines with turbochargers readily available, eg the Ecoboost.

Driving within the capabilities of the vehicle, and accepting some reduction in speed when climbing steep hills, is the cheapest solution.
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Old 07-18-2016, 02:53 PM   #22
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The half ton trucks will tow OK but they do strain. Manufacturers are trying for better fuel economy and sacrificing raw power in the 1/2 ton. They get over the pass, but need to revved to over 4,000 rpm which is a little scary.
The solution in a 3/4 ton with a bigger gas engine or the diesel.
I had the GMC 5.7L gas 1/2 ton and towed a 28' Flying Cloud. I traded the truck in December for a 6.0l GMC Duramax Diesel. What a difference. Just did a trip from FL to Oregon and into
the CO passes. The Duramax is just super. Fuel economy much better with diesel than the gas at 65mph and over. Step hills are climbed in some cases without a downshift.
I pulled AS at higher speeds than the gas and the range between fill ups is over 150 miles.
Diesel is the ultimate answer to your question, but you will pay $10,000 more. But you will keep the diesel 15 years and be totally pleased every day.
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Old 07-18-2016, 02:56 PM   #23
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I enjoy towing my 30' with a half ton, but I live in flat terrain.
My Tundra handles all mountain ranges east of the Mississippi no problem, but we have no mile high grades like Colorado.
I would even still use my 1/2 ton for occasional trips to Colorado.
Not sure what I would do if I lived there...
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Old 07-18-2016, 06:20 PM   #24
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I know you guys love your diesels and fully loaded megatrucks. Even though I have posted that our Tundra cruises over Colorado passes without any problems, it seems some don't believe it. But if you really want a megatruck and want to spend many thousands more plus more maintenance, go ahead and buy one. The diesel engine may last longer than the rest of the truck though a Toyota engine seems to go forever too.

You may see a Tundra pass you on the passes. Before anyone buys the Toyota supercharger (it will cut the 0-60 time from about 6.5 sec. to less than 4), the parts used to cost $4,000 and the dealer will surely charge a lot more to install it.

Bob, you'll notice that trucks cause a lot of emotion. Everyone believes they have the best truck. Someone actually does and it may be us.

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Old 07-18-2016, 06:37 PM   #25
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Hi all. We just traded our 2014 23'D International Serenity for a 2016 16' Sport. Smaller is better we think......for state campgrounds here in the Catskill Mts of the Mid Hudson Valley, NY. We towed the 23D with a 2011 Ford 250, 6.7TD (purchased new in 2012). We really enjoyed the towing ability of the 3/4 ton Ford and always appreciated the "overkill." For us it's about stress free towing. Now, we require much less from a TV and will sell/trade the Ford for a smaller vehicle. The truck has 32,000 miles and just now feels broken in (though I'm not qualified to say this factually.) Anyone interested in a used Ford 250/6.7L TD for an average market price minus 10% just let me know. It's in excellent shape btw.

In any case, I always recommend towing with a vehicle heavier than the trailer by 10-15% and agree that 400hp and 425foot lbs of torque needed for towing A 25' AS in the "mountains." Recommend I emphasize. Different folks may recommend otherwise.

Cheers to all.
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Old 07-18-2016, 08:42 PM   #26
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There are a lot of people who keep saying that diesels cost thousands more to maintain. But the new diesels dont cost much more than the gas engines to maintain. Yes you've got to fill the def tank with your oil change but thats only around $20.
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Old 07-18-2016, 08:52 PM   #27
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A lot of people trying to sell their favorite truck to an op who has yet to describe his problem. Let's get the details first.
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Old 07-18-2016, 09:11 PM   #28
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i use a 2013 Grand Cherokee Hemi with the factory tow package to tow our Safari 25 FB. Unless I'm heading south to Albuquerque, I have Wolf Creek to the east, Hesperus to the west and Lizard Head or Red Mountain to the north. The GC handles all of these passes just fine. There are a lot of late model Jeep GC on the market at reasonable prices that will get the job done if properly equipped.
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