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Old 06-10-2014, 12:20 PM   #1
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do you turn your cruise control off when towing tt

do you turn overdrive off when towing tt . what is the difference in rpms

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Old 06-10-2014, 12:28 PM   #2
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On highways at 100 km/h I usually put it ON
But on secondary roads at 80 or 90 km/h, I turn it OFF
The transmission downshift more often and the rpm's go up a lot when using the cruise.

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Old 06-10-2014, 12:35 PM   #3
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I run with mine on as well as use the tow/haul unless I am in town or traffic.
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Old 06-10-2014, 12:40 PM   #4
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I put (Tundra) tow haul mode on, selector lever in drive 5, cruise control set at 53mph. 9mpg!!!
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Old 06-10-2014, 01:00 PM   #5
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If you turn your OD off while towing, your trans will work harder and your trans oil pressure will drop, which in turn will not lubricate and cool your transmission as much as if you had it in drive/towing gear.
You will be running the risk of very costly repairs just for a few $$ of savings in fuel. Not worth it IMHO.
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Old 06-10-2014, 01:02 PM   #6
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I push my tow/haul button but honestly have no idea what it does/doesn't do.
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Old 06-10-2014, 01:09 PM   #7
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Hey leave it in overdrive but if you are towing push the tow/haul button. It simply knocks it down a gear for lack of a better explanation. Otherwise you are putting a heavy load on the tranny. That button is almost like another gear.
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Old 06-10-2014, 01:11 PM   #8
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Always run with my tow haul button on. Raises shift points and locks out overdrive. I can achieve full lockup in fifth gear unless I have a headwind. 2010 Ram Hemi (393 hp, 408 ft/lbs). 60 mph at about 1800 RPM.
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Old 06-10-2014, 01:13 PM   #9
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I leave my Overdrive On. RPMs, 1700 at 65mph. I do use my cruise control out on the open road where there is no traffic that is in my way or I am in their way. I have a beefed up transmission and run a Chip that has a tow setting.
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Old 06-10-2014, 01:14 PM   #10
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Ford F-150 EcoBoost; Tow/haul on and cruise on if on interstate, off if in town/back roads. 12 mpg.

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