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Old 10-15-2013, 11:44 AM   #21
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I keep it at 55mph on freeways no matter what the max speed limit is. My gas mileage is better, stopping distance shorter, and overall I just feel safer. On slower roads I tend to stay 5mph under the speed limit. I also lower my speed to the lower recommended limits (yellow signs) that are posted on curvy sections of road.

I keep an eye on the rearviews and try to pull over to let traffic pass me if it's backed up behind my TT.

I feel that at the lower speed the stress on my truck (transmission and engine) and trailer (tires, mainly) is less, which in my opinion will extend their lives.
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Old 10-15-2013, 12:36 PM   #22
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Maximum 60 mph.
If there is a head wind, maximum 55 mph, maybe 50 mph for a really strong head wind.
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Old 10-15-2013, 05:19 PM   #23
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Was just thinking about some of the posts on other threads where folks were running above 65, sometimes even 70 or 75. In addition to the extra unnecessary risks of running at those speeds, what is the point of getting there 20-30 minutes sooner, just so you can sit around and use up time ? For me, a lot of the fun of camping is the trip to and from the CG. At slower speeds, you can see a lot more, and driving is actually fun for me. Guess I was raised in a slower time, where we took time to enjoy and smell the roses along the way, and didn't worry about consuming a few extra minutes in the process. We didn't worry about having to stay in instant touch with every member of the family via cell phones, and we actually used our brains and some thinking when planning our trip with paper maps. In other words, we did not expect everything to be done for us with the mere press of a button, and we still do things pretty much without computers. Cell phones are used for emergency purposes only while on a trip. It's a lot more fun that way. JMHO
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Old 10-15-2013, 05:44 PM   #24
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Originally Posted by tinlizzie23 View Post
Was just thinking about some of the posts on other threads where folks were running above 65, sometimes even 70 or 75. In addition to the extra unnecessary risks of running at those speeds, what is the point of getting there 20-30 minutes sooner, just so you can sit around and use up time ? For me, a lot of the fun of camping is the trip to and from the CG. At slower speeds, you can see a lot more, and driving is actually fun for me. Guess I was raised in a slower time, where we took time to enjoy and smell the roses along the way, and didn't worry about consuming a few extra minutes in the process. We didn't worry about having to stay in instant touch with every member of the family via cell phones, and we actually used our brains and some thinking when planning our trip with paper maps. In other words, we did not expect everything to be done for us with the mere press of a button, and we still do things pretty much without computers. Cell phones are used for emergency purposes only while on a trip. It's a lot more fun that way. JMHO
Agree 100%
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Old 10-15-2013, 06:09 PM   #25
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I agree with tinlizzie as well. Often times the journey is as good or better than the destination.

I think it was Pink Floyd that suggested many people are in a race to get to their grave.
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Old 10-15-2013, 07:00 PM   #26
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I usually stay between 60-65 MPH. Tires aren't rated for more than that and my combo is very comfortable at that speed.
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Old 10-15-2013, 07:17 PM   #27
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I stay around 60 with the TT. This past weekend I was doing 85 without trailer and some big units sailed right past me.
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Old 10-15-2013, 07:23 PM   #28
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How fast do you drive

Mostly around 65 but with a good tail wind i have caught myself doing 70 to 75.
I was reminded at the gas pump to slow down. Lol
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Old 10-16-2013, 05:12 AM   #29
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My truck likes 62 with the TT on. On our two or three long trips each year DW is following pulling the rest of the toys and that works well for her Expeditions.
But to get to the OP's comment on sturdiness, the first and last five miles of all our trips are at 4 to 20 mph on decomposed granite washboard. It can rattle your teeth at a crawl in the TVs. Lord only knows what's going on back in the trailer. Our Eagle has been up and down that road I'd guess 20 times each way and the only problems have been the table's screws pulled out and it fell over. It sits on a slide so the screws are too short to do any good so DW puts pillows on the chairs or I lay it down. And the valence over the window fell and had to be fastened better. Again, the screws couldn't take much stress. We had similar good service from an entry level Forest River product prior to this Jayco. I think being very careful behind the wheel has a lot to do with it. And that may be why some of us have a lot of trouble with ST tires and some of us don't. I respect the tires' 65 mph rating even when passing on the highway. I try to avoid going faster than necessary.
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Old 10-16-2013, 05:44 AM   #30
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60 here on the interstates. I upgraded my tires to G614's so I have a 75 mph max speed now, but I don't care. I just completed a 260 mile trip yesterday and got 12.8 mph. Any faster is for others.

Now to enjoy the races for the next 4 days. At Road Atlanta.
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Old 10-16-2013, 06:09 PM   #31
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Did not know the tires were rated for speeds up o 65. That is really good to know. I usually do around 65 but driving 10 hours to Virginia, I did pick up the page a bit. After reading all your comments it really makes you think. I don't think I will travel that far in one day anymore with the camper. Thinking six hours or so is a drive with trailer. Drove the ten hours to Virginia and I felt the same way I did as if I dove my 17 to 20 hour drive to Florida without the camper. Pulling the trailer makes you more tired. There were some eye opening comments, Thank you.
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Old 10-16-2013, 07:04 PM   #32
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Did not know the tires were rated for speeds up o 65. ... Thank you.

Most special trailer tires are speed rated to 65 mph. Speed rated is not speed limited. Tire pressure can affect the speed range. Too little tire pressure is a greater sin than too much pressure. Consult your tire manufacturer information.

Personally I would not run my trailer tires at less than the max rated pressure listed on the sidewall. In my experience that mode gives good wear and puts the tire in a range for higher speeds.

Below is some specific information for
Goodyear Marathon Tires

Special Trailer ("ST") Tires

Goodyear Marathon trailer tires are widely used in a variety of towable trailer applications and are designed and branded as "ST" (Special Trailer) tires.

Industry standards dictate that tires with the ST designation are speed rated at 65 MPH (104 km/h) under normal inflation and load conditions.

• Based on these industry standards, if tires with the ST designation are used at speeds between 66 and 75 mph (106 km/h and 121 km/h), it is necessary to increase the cold inflation pressure by 10 psi (69 kPa) above the recommended pressure for the rated maximum load.

o Increasing the inflation pressure by 10 psi (69 kPa) does not provide any additional load carrying capacity.
o Do not exceed the maximum pressure for the wheel.
o If the maximum pressure for the wheel prohibits the increase of air pressure, then the maximum speed must be restricted to 65 mph (104 km/h).
o The cold inflation pressure must not exceed 10 psi (69 kPa) beyond the inflation specified for the maximum load of the tire.

More info is here:
http://www.tirerack.com/images/tires...plications.pdf

If the link doesn't work then just add www. to this

tirerack.com/images/tires/goodyear/Marathon_Special_Trailer_Applications.pdf

What Carlisle says:

Inflation

Underinflation is the number one cause of trailer tire failure. Low
inflation pressure elevates tread temperature, especially as speed
increases.

Review - Practices for Safe Trailer Tire Use

– Maintain air pressure at the maximum PSI recommended on the
tire sidewall.

http://www.carlisletransportationpro..._Practices.pdf

vic
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Old 10-17-2013, 02:01 AM   #33
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We normally run 65 to 68 mph when pulling our Pinnacle.
We do have "G" Rated LT Tires that are speed rated at 75 Mph.
At 65 to 68 mph is where our Truck shifts into 6th gear and the engine runs at 1600 to 1700 rpm, which it seems to like and does not lug.
Also fuel mileage is pretty good, usually get 10 to 11 mpg which is not bad for a trailer that weights 15,600 lbs. loaded and Gross Combined weight of 24.000 lbs.
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Old 10-17-2013, 02:37 AM   #34
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we travel at 65, unless on I91 in Hatfield MA. thats a long flat straight away and i do get up to 70
Coming back from Vermont on Columbus day we did have a TT pass us doing about 80 i was only hoping if anything happened the debris on the highway would be cleaned up before we got to the "scene"
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Old 10-17-2013, 04:12 AM   #35
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60-65 mph.
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Old 10-17-2013, 05:39 AM   #36
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• Based on these industry standards, if tires with the ST designation are used at speeds between 66 and 75 mph (106 km/h and 121 km/h), it is necessary to increase the cold inflation pressure by 10 psi (69 kPa) above the recommended pressure for the rated maximum load.
I normally run around 60 on 2 lane roads and 65-70 on interstates. Seeing this about the Marathons, I will have to up the cold pressure before interstate trips.
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Old 10-21-2013, 03:29 PM   #37
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60-70, I know I should probably slow it down though.
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Old 10-21-2013, 03:37 PM   #38
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I usually try and keep between 60-65 if highway and other variables are favorable. If posted speed limit is 70+, I still try and maintain
60-65 and keep it the right hand lane. If posted speed limit is 55, no problem, I will do 55 and stay in the right hand lane...
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Old 10-21-2013, 07:44 PM   #39
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Depends on the time we are traveling. Many times we travel at night with the truckers, I run the powerstroke flat out around 80-85 pulling the 334RBTS. Just need to keep an eye on wheel bearings and tires.
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Old 10-23-2013, 10:25 PM   #40
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My trips tend to be less than 4 hours - so doing 65 instead of 75 has a trivial impact on my arrival time. On longer trips I've been known to pull at 75 or so for periods of time when legal. Keep an eye on tires and bearings. That said, it's hard to watch tire temps at 75 MPH.....

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