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Old 09-24-2018, 06:20 PM   #1
77cruiser
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How fast do you tow?

That's about it 2 lane good road 65 ish, interstate 70. If I'm in a hurry I'll push it 75-80, but don't like to.
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Old 09-24-2018, 06:28 PM   #2
chuckster57
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Look at your trailer tires, I bet they have a speed rating lower than 80MPH. I don’t go faster than 67. Best mileage and at 60+ yrs old I really don’t care about being first. If I’m on a two lane road I watch my mirrors and will pull over when safe if I see more than 5 cars behind me.
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Old 09-24-2018, 06:49 PM   #3
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It's inappropriate to pass judgment on someone I don't know and have never met, so I'm not "passing judgment" in this post, but a few things strike me as "glaring problems"

Speed rating on ST tires, barely adequate safety margins on ST tire weight capacities, "sub-par breaking system" on most RV trailers, 14 year old tow vehicle (typical mechanical wear/metal fatigue from being used for 14 years) to name a few. Towing at speeds in excess of "around 65MPH" places not only those in the tow vehicle in potential jeopardy, it does the same those who unknowingly share the road as well......
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Old 09-24-2018, 06:56 PM   #4
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I do 100 KPH (62 MPH) on Carlisle HD 225R75/15 speed rated at 81 MPH. Legal speeds on most highways in our area is 55- 60 MPH. Not in a hurry.
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Old 09-24-2018, 07:13 PM   #5
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Set the cruise at 65, which my Garmin indicates is 62 to 63, get some looks from truckers passing me on Texas highways with 75 speed limits
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Old 09-24-2018, 07:16 PM   #6
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Here's the deal to me; pulling a large RV at 80mph is not only dangerous, it's derelict and is a huge danger - for anyone. It's hard enough to control them at 65 mph, but to pull one at that speed with a 14 year old ( it will not be like new OR have the modern braking, sway etc. controls) is just "off the charts". Am I passing judgement? Probably. Is towing a large trailer at 80mph glaringly "dangerous" (polite)...absolutely.
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Old 09-24-2018, 08:06 PM   #7
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Well I will tend to go with the flow to point, two lane state highway 55 to 65, interstate 65 to 70. Seeing how the LT tires on the 5er are speed rated to 106 that is not a worry. Package handles, and stops well I don’t see an issue. Not likely to do 80 as I like decent fuel mileage.
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Old 09-24-2018, 08:12 PM   #8
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The sweet spot on my Duramax for towing is right st 1700 rpm which is approximately 68 mph. I have more than enough truck, disc brakes on both 5er & truck, H rated Sailun tires on the 5er & at that speed I'm not impeding every other vehicle on the highway.
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Old 09-24-2018, 08:22 PM   #9
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72 on a good 4 lane,,, 60-62 on 2 lane,, in the hills sometimes hit 75 to 80 down hill to get a run at the next one
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Old 09-24-2018, 09:50 PM   #10
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I two a 9200 lb 5er with my Ram 2500. I'd run 70+ if I didn't like the fact that I get terrible mpg's at anything over 60 mph. My setup is rock solid and good for 80 mph if needed. My tires are rated at 81 mph. I would never tow a TT over 60-65, but I'd sure to a 5er over 65 mph. 5er's are way way more stable. Now stopping is no better for either so I only tow fast when out in the open by my self.
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Old 09-24-2018, 10:42 PM   #11
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65 or the speed limit, whichever is lower.
Having said that, this year we encountered some bloody amazing thunderstorms where it was nearly impossible to see 100 yards ahead of the truck. Then I do 35 or less! ... With the flashers on, of course.
I find it MUCH less stressful (on the interstate) to do 65 and let others go around me rather than having to decide when to change lanes and possibly tie up traffic in the left lane while I pass slower vehicles with a passing speed of 2-3 MPH.
We set no more than about 260 miles to cover in a day. That allows for a leisurely start around 9:00am, possibly a Starbucks stop and usually a Walmart stop for groceries and whatnots. We still get to the campground in the daylight to get set up.


When I'm on roads that have lower speed limits, I do the posted speed limit. If I get too many cars behind me, I'll look for somewhere to pull off and let them go, otherwise if there are only 1 or 2, I feel that they can pass as and when they choose.


I don't think it's being bloody-minded to drive safe and comfortable.
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Old 09-25-2018, 04:14 AM   #12
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Quote:
Originally Posted by FlyingAroundRV View Post
65 or the speed limit, whichever is lower.
Having said that, this year we encountered some bloody amazing thunderstorms where it was nearly impossible to see 100 yards ahead of the truck. Then I do 35 or less! ... With the flashers on, of course.
I find it MUCH less stressful (on the interstate) to do 65 and let others go around me rather than having to decide when to change lanes and possibly tie up traffic in the left lane while I pass slower vehicles with a passing speed of 2-3 MPH.
We set no more than about 260 miles to cover in a day. That allows for a leisurely start around 9:00am, possibly a Starbucks stop and usually a Walmart stop for groceries and whatnots. We still get to the campground in the daylight to get set up.


When I'm on roads that have lower speed limits, I do the posted speed limit. If I get too many cars behind me, I'll look for somewhere to pull off and let them go, otherwise if there are only 1 or 2, I feel that they can pass as and when they choose.


I don't think it's being bloody-minded to drive safe and comfortable.
Wow, 100 yards in a heavy Thunderstorm!
That is not heavy, Heavy is when it is like a fire-hose directed at the windshield!
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Old 09-25-2018, 04:40 AM   #13
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Tires are rated for 81, but I set the cruise to 65. I will do 70-75 for brief periods if it's necessary to pass another vehicle. I don't want to hold up traffic by creeping by so I accelerate to get around the slower vehicle.
It may surprise by looking at my vehicle, but it tows so effortlessly I need the cruise to keep from having a lead foot. I've only encountered 1 Ozark hill that has caused me to drop below 60. Anyone who travels 44 knows the beast. EB 44 just west of Fort Leonard Wood.
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Old 09-25-2018, 04:47 AM   #14
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On the freeways I stick to 5 under, so 60 in a 65, 65 in a 70. The rest of the time the speed limit. There have been a couple of times that I can remember hitting 70-72, while passing a slow Prius, and passing a slow older motor home, both on the same trip back from camping.
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Old 09-25-2018, 04:58 AM   #15
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Pretty much whatever the speed limit is up to 5-7 mph more.
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Old 09-25-2018, 05:36 AM   #16
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Stay in the mid 60's on the interstate, depending on traffic. Much better MPG at low versus upper 60's given the wind drag on a 5er. I've seen 70+ a few times but mostly due to a tailwind, downhill, or a smooth road when I didnt have the cruise on.
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Old 09-25-2018, 05:39 AM   #17
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Most interstates I am at 65. Goodyear Endurance tires rated at 8o mph. Gas mileage takes a huge hit above 55 due to wind resistance so I try to take secondary roads rather than the interstates. Are starts and stops worse than wind resistance? Maybe on wear and tear but I still like the back roads. More interesting.
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Old 09-25-2018, 05:51 AM   #18
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We are on our first long trip with my rig so I am still figuring out what works at how fast. I have a 2018 Ram 3500 CC SRW 4x4 CTD HO Diesel with the Aisin trans. The Hitch is a Curt 16K Slider.
The trailer is a Laredo 350FB. The tires are rated for 81 mph and track (so far) with normal pressures,temps and wear. For me that is too fast.
I have found 68-71mph to be pretty comfortable for the truck RPMs and traffic flow. And on occasion will bump up to higher speeds to get around slower traffic on the highway (never on 2 lane).
Discovered the other day that the pins that hold the king pin plate to the hitch were never installed. My installer never mentioned anything nor did the dealer that sold and hitched up the trailer? Anyway, it always did not look right to me and now I know why.
I hit a bump in NJ (worst roads on the East coast IMO) and the trailer (with king pin) jumped out of its "cradle" position and shifted to the passenger side of the truck. It landed on the hitch assembly and that became my tow point, the emergency brakes on the trailer were activated also.
By the time I got to the road side (with almost another lane of concrete median,the one good thing about these roads) the brakes on the trailer were smoking and it (of course) was listing to one side. I put down the front jacks,separated the truck and trailer and found that the hitch had bent the passenger side cradle. With some persuasion I bent the cradle into position. I had an inventory of "stuff" I threw into a tool box before this trip. Digging through a bag of left over parts from the Puck system adapter install (another time my installer handled the hitch) I found two pins with clips that fit prefect. Hmmmm. Anyway had to drill the hole on the "persuaded" side to make the pin fit and reset the emergency brake system. I was back on the road in about half an hour with no damage to the truck or trailer. I have checked the brakes for pull and release and all is good,and have no grease spilling out of any of the bearings onto the wheels. So I know things did not get too hot to cause any significant damage. Lifespan of the brakes has probably taken a hit. I know two things,that will never happen again and I got lucky,damm lucky with this scenario.
I am currently writing my speech for the "Lucky Dog Award" presentation.
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Old 09-25-2018, 05:55 AM   #19
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I will travel the speed limits on all highways and not go over 68 MPH on interstates. I occasionally travel I-80 in Utah and Wyoming where speed limits are 80 MPH and see some RVs actually going over, makes me shudder!
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Old 09-25-2018, 05:58 AM   #20
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60mph or 100kph. I set the cruise and off I go. Of course I stay in the right lane and move to the right when possible to allow people to pass. When I am towing I am in holiday mode which means relaxed no rush, music on and enjoying the drive. I have never been one for speed with RVing.
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