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Old 07-05-2019, 09:18 PM   #61
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Question when those of you who are towing with a newer gas truck can you run with the cruise control on or do you have to anticipate hills so you can give it some throttle before starting up a hill. Ok
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Old 07-06-2019, 12:53 AM   #62
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Question when those of you who are towing with a newer gas truck can you run with the cruise control on or do you have to anticipate hills so you can give it some throttle before starting up a hill. Ok
2018 Ram 2500 6.4, 4.10 towing 9000-9500 lbs. I use the cruise control all the time. BUT, I do turn it off in some conditions. It's fine until I get into rolling hills then it's kinda erratic. I also don't use TH mode either as it won't let the truck up shift when it could. In TH mode and cruise it's a mess.
So I pretty much turn off the cruise control when in the mtns or hills. If I see a long stretch coming up I'll hit the set button until things get erratic. I leave it on but not always engaged.
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Old 07-11-2019, 08:41 AM   #63
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Question when those of you who are towing with a newer gas truck can you run with the cruise control on or do you have to anticipate hills so you can give it some throttle before starting up a hill. Ok
I use the cruise control on my RAM 6.4 gasser along with the tow/haul mode. I find that without tow/haul engaged that the transmission does a lot of bouncing back and forth into overdrive and/or eco mode. I don't use cruise when I'm in the steep mountains, just because I choose to move over into the truck lane and burn less gas going up the big hills. With my <9000 lbs camper, the RAM 3500 6.4 Hemi doesn't need any run-up.

Cruise will help control the speed going downhill if the slopes aren't too steep as well. I've also found that even though it isn't an exhaust brake that the computer controlled engine brake (downshifting) in T/H mode if I tap the brakes a few times out of cruise is helpful.
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Old 07-24-2019, 03:43 PM   #64
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In the past few weeks I traded my 2009 Ford F350 6.4 diesel that had the deletes done to a 2016 Ram 2500 6.4 Bighorn with the 3.73 gearing. I have only towed our 2017 Rockwood 8289WS fifth wheel a short distance but in that short run I was satisfied. I know I probably lost the ability of being able to set the cruise without using tow/haul in my old diesel going to this Ram. We only make one very long trip in the winter from Iowa to Key West with the rest of our outings fairly close to home within Iowa. Guess I will know more when we make that trip. With the limited mileage we put on the diesel both pulling the camper and just running errands I was tired of the extra cost of the fuel and the services. Due to a death in the family, our outings are on hold for a bit but I'm sure I'll be able to post more first hand experiences in the near future.
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Old 07-24-2019, 03:51 PM   #65
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Question when those of you who are towing with a newer gas truck can you run with the cruise control on or do you have to anticipate hills so you can give it some throttle before starting up a hill. Ok
I always used cruise and tow/haul mode. Never a problem
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Old 09-10-2019, 07:53 PM   #66
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Have had the opportunity to use our new to us 2016 Ram with the 6.4 Hemi pulling our Rockwood 8289WS fifth wheel. I am still learning how to let this truck work but am very satisfied so far. I am not seeing the negative shifting that some have mentioned and I do use tow/haul when hooked to the camper. We are very impressed with the ride both pulling and not pulling. Have not had to do an emergency braking yet but this truck and camper are well matched when it comes to braking. Did a 300 hundred mile round trip over the Labor Day week with 8.5 to 9 mpg towing. Both computer and hand calculated. A few less then our previous diesel but doable for us.
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Old 09-11-2019, 05:32 AM   #67
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Use cruise all the time in TH ... Ram has a mind of it's own and uses it ... no issues up or down hills ... tap the brakes and engine brakes well ... the 2019 Ram 1500 with 3.92 gears is a beast... Tow 90% of time here in Fl so we do not see hills 9-11 mpg on the 5.7 depending on which way the wind is blowing ... sweet spot is 63 mph ... we were in hills of North GA and Tenn for a week truck was excellent ... new Goodyear Endurance going on tomorrow expect it to pull even better
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