O/D on or off
Elder User
Joined: Apr 2010
Posts: 687
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that aint much weight at all. I would say if you can keep it from shifting in and out of overdrive once you hit your desired speed you should be fine. that is, if you get to your cruising speed of say 65 and your truck keeps downshifting a lot, turn it off, if you can get it into OD and keep it there, I would say you are fine. That's just how I would approach it and have approached it in the past.
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Senior User
Joined: Jul 2011
Posts: 130
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From: south carolina
that aint much weight at all. I would say if you can keep it from shifting in and out of overdrive once you hit your desired speed you should be fine. that is, if you get to your cruising speed of say 65 and your truck keeps downshifting a lot, turn it off, if you can get it into OD and keep it there, I would say you are fine. That's just how I would approach it and have approached it in the past.
Junior User
Joined: Dec 2009
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From: Conover, North Carolina
You should not have any trouble keeping it in 5th/OD. I pull a boat approx 2000 lbs with trailer with my 4.6 2v and it idles under 2100 rpm's going down the interstate at 70 mph and I still average over 20 mph according to my edge. I never turn the OD off except maybe when I head up to Boone/the Mountains here in NC. I imagine the mileage will suffer with it not in overdrive but the truck should be more powerful. Its kinda your preference.
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Senior User
Joined: Jul 2011
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From: south carolina
I am not a mechanic so I hope I don't sound too dumb. But am I right in saying that the reason people turn O/D off when towing is because of excessive shifting, not because of towing in O/D is bad, right?
Elder User
Joined: Apr 2010
Posts: 687
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Usually if there is any question I err on the side of caution and turn it off. But in your case as the guys said before, I think you will be able to run overdrive and keep it comfortably in OD with no problem. Remember an occasional downshift like when passing someone, or on a hill or something is fine.
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