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Old 06-13-2016, 08:48 PM   #1
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Towing cruise and O.D

I have a towing question . When you're towing do you use cruise control on the highway and do you leave the overdrive on or turn it off?

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Old 06-13-2016, 08:59 PM   #2
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Kinda depends on your TV and the weight of your TT. I never have overdrive engaged when towing. Personally, I have a 6 speed automatic. I keep mine in 4th gear when pulling our TT. Only runs about 2400rpms and keeps tranny from shifting so often. If the roads are flat and long, I may use the cruise control but never on hills.

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Old 06-13-2016, 09:37 PM   #3
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We have a 2016 F250 with a 6.2 gas 3:73 rear. On the flats, use the manual feature set to 5th with cruise set at 67 mph and get about 8.2 towing our 25 wb work and play. It drops about 3 mph on overpasses but seems to be the best as far as mpg and power. With the cruise set at that speed, if we hit a large grade, I just bump it to 4 th and away we go.
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Old 06-13-2016, 09:46 PM   #4
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For the most part I try to use cruise at around 62-63mph, 6th gear. This is the best for our combination. I just leave it in T/H mode. I've tried manual and keep it in 5th but no improvement in fuel mileage. In the mountains I will manually down shift to 5th.
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Old 06-14-2016, 10:08 AM   #5
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I lock out overdrive when towing, since I have the 4.3 in my Silverado, there's no chance I can pull in overdrive without lots of gear hunting. 3rd gear at 60mph is 2600RPM, which is almost right at the torque peak of my 4.3, and it tows great there. I also typically don't use cruise, towing or not. My first car that I drove for four years and 80k miles didn't have cruise, so I just got used to driving without it.
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Old 06-14-2016, 10:19 AM   #6
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Use tow/haul mode most of the time unless on perfectly level roadways with a tailwind. I feel I am more sensitive to road conditions than the cruise control box, so no cruise.
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Old 06-14-2016, 01:02 PM   #7
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First I put it in the trailer/haul mode. Then set cruise at 65 mph and let the truck do it's thing. Does great in the rolling hills of Texas.
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Old 06-14-2016, 02:08 PM   #8
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My 2007 Avalanche started idling rough shortly before a trip from the foothills to Pismo Beach. I always used Tow/Haul mode and usually let it go into overdrive when cruising. I also used cruise control when pulling on long flat stretches. Always travel at 60 MPH max. By the time we were approaching SLO the engine warning light (traction control) was coming on repeatedly and finally on solid. We limped into the campground and next day left the 'truck' at a local Chevy dealer. They said I had tuliped the exhaust valves by allowing it to go into 4th gear when cruising with almost no gas pedal pressure. I've never heard of such a thing. Never had problems like that with any other tow vehicle. After having the heads rebuilt there and the differential and transfer case a year later I wonder how so many people rave about their Avi's, Suburbans, Tahoes, etc as tow vehicles. My trailer was a 18' 1991 Road Ranger that weighed 2900# empty. Well under 5000# loaded. No worries now. I have a 2012 Silverado 5.3L 6 speed with 343 rear end towing MicroLite 21 D.
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Old 06-14-2016, 02:09 PM   #9
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I just put it on Tow/haul and cruise control and let it go. Only on the steepest uphills has it ever downshifted. (although I do not use cruise control going down on a steep hill)
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Old 06-14-2016, 03:27 PM   #10
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I use tow haul and I don't think I've ever put the cruise on when towing my trailer.

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