Good Sam Club Open Roads Forum: Towing up grades with "M" and 1 gears
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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Towing up grades with "M" and 1 gears

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aftermath

Washington State

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Joined: 09/18/2005

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Posted: 04/06/21 09:22am Link  |  Quote  |  Print  |  Notify Moderator

Thanks Grit Dog for your post. I see this thread turning into my tow haul is better than yours kind of thing. I tow with a Tundra. I have over 50K miles on my current trailer that we have pulled over passes in Canada, Washington, Montana, Wyoming and other places not as dramatic. The first thing I do when pulling away from home is to shift into S5, which is the same as M5. This locks out the overdrive in my 6 speed tran. Engaging my tow haul basically changes the shift points. This helps when accelerating if you are in a hurry. It also uses more fuel so I usually don't engage this. On downhills, it holds the higher shift points which, I guess, helps in braking but only minimally for my observations. Going uphill I will often sift into S4 to keep rpms up. There have been some very long steep grades where I select a lower gear in order to keep my speed up. I can climb almost any grade at a min of 50mph. I find it even more important going down hills. I will anticipate the speed and downshift to increase engine braking. It works for me and my setup. I also prefer this method to waiting for the truck to roar as it shifts gears under load.


2017 Toyota Tundra, Double Cab, 5.7L V8
2006 Airstream 25 FB SE
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time2roll

Southern California

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Posted: 04/06/21 09:37am Link  |  Quote  |  Print  |  Notify Moderator

mr_andyj wrote:

Please ignor all the post that start off saying "just..." With towing you dont "just" do anything.
Yes. Forgot to mention set the cruise control [emoticon]


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
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