When we go camping, we never go over 65-70. We can't forget we are towing a barn behind us and things can happen that may be worse at higher speeds. I prefer to leisurely get there. I'm retired. I don't have to be home by certain hour.
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Towing with new 6.4L
- Thread starter Fred_Cage
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Davidbt
Well-Known Member
In Komiefornia? When we have to come back into that state pulling our travel trailer, I keep it at 65 or less. Which is the speed we generally do while pulling the travel trailer.
As you can see..theres a lot of folks who absolutely hate the dash reading. Like you I’ve always found the reading to be so close that it’s not worth worrying about it. I’ve had the same thing between my Wrangler, my gladiator, my 1500, and now my 2500. On all of them the dash calculation is so close it’s just not worth worrying about the the minor difference if any. Everyone has their thing and I’ve noticed over the years that some people are very particular about it… And I’m just not that worried about going to the second or third position after the decimal. I hated the whole “smiles per gallon” thing in the Jeep community but I’m starting to see that mentality.
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Hate is a pretty strong word, I personally like and use it... I just don't trust it with certainty, it's a tool.
The wife's Gladiator is like just about every other rig (to include rental wranglers that we've put thousands of miles on (the 2.0's seem to be the most accurate)), sometimes it's good and sometimes it's not. She doesn't ever hand calc it, but I do whenever I fill it up. I've seen it more than 15% off and also within 5%. Nothing I would call minor, but maybe that's where the difference lies in just using the lie-o-meter.
jetrinka
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Personally I just don’t care. The truck isn’t going to pass a gas station regardless so I just keep on plugging down the highway. I usually have 10 gallons of gas in the bed for the twin Honda generators that I could use in a pinch.
It’s a large gas truck. Towing a load. It’s gonna rev and it’s gonna eat. It was designed to do both so you might as well let it.
retrue
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If you’re looking at around 10,500 lbs, you’re definitely getting into the range where setup really matters more than just the truck itself.
A gas 2500 can handle it, but you’ll be working it pretty hard, especially on grades or longer trips. The newer transmission helps, but torque from a diesel still makes a noticeable difference when towing that kind of weight regularly.
As for the 2019 vs 2018, the transmission upgrade is nice, but I wouldn’t expect a night-and-day difference under heavy load — it’s more about drivability than raw capability.
One thing I’d strongly recommend either way is making sure your suspension is set up properly. Once you start pushing that weight, rear sag and stability become a bigger deal than most people expect.
I’ve seen setups (RETRUE has some options in this area) that help keep things level and controlled under load — makes towing feel a lot more stable, especially on longer trips.
If you’re planning to tow often, dialing that part in will make a bigger difference than most small spec upgrades.