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Old 06-12-2017, 05:48 PM   #21
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I had the same complaint driving home from dealer with tires at 110 psi. Once I dropped tires to 85 it was a pleasure to drive.

I am also thinking the sweet spot speed for mpg, comfort and safety will be 62-63. Thoughts?
Definitely 65 as long as the roads are decent. If the roads are really good (ie Interstate 10 in the panhandle) and the winds are low, 70-75 mph is very good for me also. These speeds are w/o a toad.
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Old 06-14-2017, 06:20 PM   #22
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No word from freightliner yet, but after a lot of research I think the blue ox tru center is the answer. Going to order it tomorrow. Has anyone tried this system on their Seneca?
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Old 06-15-2017, 07:20 AM   #23
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On another forum (Dynamax) they say if run at too low of a pressure they will heat up and shorten the life of tire??????? Makes sence. They recomend max pressure for fronts and weigh rig and adjust rears accordanly for best ride. I would be worried if traveling out there in the summer heat and running tires at lower pressure just for comfort then something bad happens. Stay safe.
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Old 06-15-2017, 07:33 AM   #24
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I agree, if you run tires too low they heat up as in when you get a small leak that progresses to a blow out due to the heat build up. If you follow the manufacturer's tire pressure chart for the actual weight on the tire I don't think that is running too low.

I know in my case the tires were at the max, 110 psi and the RV wandered a bit. Probably because there was less tire surface holding the road. When I dropped the pressure to 85 the handling improved. According to the Michelin charts I could safely run 75 psi with the weight of my unit.

Since it improved the handling I think I will follow the recommendations of the engineers who designed the tires. Just my thoughts on this.
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Old 06-15-2017, 09:28 PM   #25
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That's good to know and agree that the wandering feeling is a very uneasy one.
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Old 06-16-2017, 11:17 AM   #26
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Mark S, I agree with your choice of 85 psi. In an earlier post I suggested (based on a tire expert) that you don't run tires at less than 75% of max. That's the too low point. Without a number "too low" is too vague to be of any value. With too low of a pressure the sidewalls flex a lot and thats where the heat buildup comes from.
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Old 06-22-2017, 06:31 PM   #27
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Just installed the BlueOx Tru Center and took it down the rough backroads and then highway at 75mph with a decent cross wind. It's absolutely amazing the difference. Now I can feel the body roll some from heavy wind gusts but it doesn't transfer to the steering wheel. Very slight corrections if any. I don't feel the potholes in the wheel at all, even in a curve. I'm very optimistic about how our trip to New Mexico will go next week. I'll update when we stop for the night.

Btw, how is this or something like it not standard equipment?
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Old 06-22-2017, 06:34 PM   #28
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Just installed the BlueOx Tru Center and took it down the rough backroads and then highway at 75mph with a decent cross wind. It's absolutely amazing the difference. Now I can feel the body roll some from heavy wind gusts but it doesn't transfer to the steering wheel. Very slight corrections if any. I don't feel the potholes in the wheel at all, even in a curve. I'm very optimistic about how our trip to New Mexico will go next week. I'll update when we stop for the night.

Btw, how is this or something like it not standard equipment?
Did Freightliner find anything amiss?
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Old 06-22-2017, 06:44 PM   #29
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They said everything checked out on the steering. The only thing they found was it's quite a bit heavier on the driver side, but they didn't say how much. They also were surprised I was having problems with the M2 and they rarely see issues with them.
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Old 06-22-2017, 07:24 PM   #30
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Originally Posted by AGGIE00 View Post
Just installed the BlueOx Tru Center and took it down the rough backroads and then highway at 75mph with a decent cross wind. It's absolutely amazing the difference. Now I can feel the body roll some from heavy wind gusts but it doesn't transfer to the steering wheel. Very slight corrections if any. I don't feel the potholes in the wheel at all, even in a curve. I'm very optimistic about how our trip to New Mexico will go next week. I'll update when we stop for the night.

Btw, how is this or something like it not standard equipment?


Glad to hear you are happy with the improvement it made. I like the added control you can gain in a front blowout. Did you self install? It looks fairly straightforward. Please give more feed back after a few weeks. Anything to make it feel better for my wife drive is a good investment.




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