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Old 08-14-2015, 10:37 PM   #41
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From the Carlisle site:
How fast can I travel on Carlisle trailer tires?

In the past, most trailer tires were rated at 62 or 65 mph. Today, some of our tires are "rated" (speed symbols) at 87 mph (N), some at 75 mph (L), some at 65 mph (J: ST tires) and some at 62 mph (J: non-metric tires).

Please remember that speed ratings are test speeds and not recommended driving speeds. The ratings apply only to the tire itself, and not a particular vehicle. The speed rating does not mean that the vehicle can be safely operated at the tire's rated speed.

We recommend driving no more than 60 mph when towing a trailer. Please always drive at a safe speed and abide by the posted speed limit.


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Old 08-15-2015, 08:32 AM   #42
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I try to keep my speeds at 65 and under, but occasionally have to go over to get in a certain lane. Having ST tires rated for higher speeds seems like a good safety factor. Carlisle tires had a bad reputation back in the early 2000s, but you don't hear many problems with them now. I would certainly consider them when buying new tires.


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Old 08-15-2015, 08:52 AM   #43
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I guess all you folks want to be NASCAR drivers on the interstates. whats your big hurry. 60 to 62 mph is fine. As for tt sway I use a 4 point Equalizer hitch on my 35 ft tt works great.

Biggest reason you need wdh for tt is you can not equalize your weigh of trailer say like a enclosed car trailer where you can move the vehicle in side to even weight out. I had a 24 ft I could tow that trailer at 80 with out WDH no problems. Most of the time 70 was the max speed. No need for speed now as tt so much different and I'm no hurry. Later RJD
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Old 08-15-2015, 09:38 PM   #44
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Get a ProPride hitch and you will have no worries with sway. I had a 25' and now a 35' both towed by GMC Sierra Denali 6.0LT 1500. Had terrible time with sway with my 25' (towed first by trailblazer) scared the S**t out of me when passed by a 18 wheeler. Got ProPride and no sway. Worth every cent! With my 35' I normally travel around 60mph, never over 65. It's a safety thing for me. Rving is no fun if you don't feel safe going down the road.
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Old 08-16-2015, 10:26 AM   #45
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This seems the norm at times getting passed a lot by these folks in a hurry.

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Old 08-16-2015, 03:54 PM   #46
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I'm usually not in a hurry, but I also don't have all day or all the time in the world to get where I'm going. I run 67-68mph, which seems to the sweet spot for my combination. I'm also not a NASCAR driver, as I'm getting passed all day long when the speed limit is 70mph, but I have a more than capable truck and plenty of experience. As for the OP, I would take a serious look at your tongue weight. I've pulled many a 4-5k trailers with 1/2 ton trucks and SUVs without a WDH, and have had no problems. Tongue weight can be your friend! Adding a WDH may not solve your problems if your tongue weight is light to start with, in fact it could hurt you. Adding just a sway control will always help, and never hurt. Get some real time weights and go from there. You can actually do this with a bathroom scale, YouTube it for directions on how.

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Old 08-16-2015, 05:04 PM   #47
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I was on the highway the other day doing about 70mph not towing. I got passed by a pickup pulling a single axle camper doing at least 80 mph. Crazy.
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Old 08-19-2015, 09:18 AM   #48
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No faster than 65 for me. Mileage starts to suffer and wind buffeting is more noticeable. I see very little reason to drive over 65. And speed limits in Idaho are 80 in some interstate stretches. Fine in a fine German car, but not so much at 18,000 lbs rolling down the freeway.

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Old 08-19-2015, 05:30 PM   #49
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Was told to fill the fresh water tank on the 21fbrs. Just traded my 2014 F150 reg cab 6.5 bed 5.0 for a 2014 F150 crew cab 4x4 with a 6.5 bed and 5.0 had L series tires and beefy suspension. That should do it. It was worth $50. A month more
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Old 08-26-2015, 08:17 PM   #50
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First interstate tow nightmare

I reckon I'm one of BigReds stupid idiots. I tow a 275ULSBS 33 foot Toy Hauler, loaded it's around 13,000. Tow vehicle is a 2000 F350 DRW 4dr with a 7.3. I have air bags with an on board compressor and a beefier hitch, no WDH or anti sway. Before I knew better, I used to set the cruise control at around 75 and away we went. Never have had any issues, with semis or otherwise. I have decided however to stay at or under 65, you know because that's what I've learned from reading posts on here. And I agree, bigger is better.

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