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Old 04-28-2019, 09:12 PM   #15
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X2 on the Yokohama's. I put them on two years ago and they are smooth and quiet.
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Old 04-28-2019, 09:58 PM   #16
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My coach is similar in length and weight. I run 90psi all around. Ride is fine in my 4 year old Toyo’s. Suspect some of your rough ride is attributed to over inflation.
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Old 05-26-2019, 04:24 PM   #17
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OK. My tires are dated 2013 so they are 6 years old. I'm going to start with just the front tires. I'm using the FMCA deal they have with Michelin and am putting them on next week. If I can tell a difference then it's the tires and I'll get the rear 4 replaced.

Stay tuned and I'll let you know how it goes.
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Old 06-15-2019, 09:53 AM   #18
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Just an update.

I recently had 2 new Michelin front tires installed and took the MH out for the first trip. What a difference!! My wife said it felt like she was riding in a new MH. We've gone 5+ years with this rough ride, glad it's over. Next year I will probably replace the rear tires but may go with a cheaper tire as recommended above-- Toyo's, Hankook's, BF Goodrich's.

I've got the pressure set at the recommendations on the door, they are 105 front and 95 rear. I will weigh each axle next time I go past a scale and determine the weight of each axle. Superior Tire where I had the Michelins installed said once I get that weight, to call them and they will check the chart for the correct tire pressure.

Next move that I'd like to make to improve the ride is to install sway bar and possibly new shocks. We have 60,000 miles on the rig, so probably due for new shocks. Any thoughts on that would be appreciated.

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Old 06-15-2019, 11:51 AM   #19
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You probably would have noticed the difference in ride with almost any new quality tire. When I replaced six year old Michelins with M144 Toyo's on our coach last summer, my wife commented on how much better it rode. I had to agree.
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Old 06-16-2019, 02:41 AM   #20
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Quote:
Originally Posted by LAOsman View Post
I have a 2008 Itasca 35A gas motor home with about 60K miles that has a terrible ride. We currently have Les Schwab Gladiator tires that CW put on when we bought it 6 years ago. We've lived with the rough ride for 6 years and now are thinking to replace the tires to see if that helps the ride. The size is 255/70R 22.5. We would like to replace all the tires but they are in good shape and thinking only the front tires to see if that helps the ride.

Does anyone have any tire suggestions? At this point I'm looking at Michelin or Toyo and am leaning in that direction due to the cost. Michelin are really expensive and was wondering if anyone has any thoughts on how the Toyo tires compare, or any other suggestions. I'm open at this point.

Also, after I get the tires figured out I will drive it and see if that helps, but also thinking about new shocks and adding front and rear sway bar. I appreciate any thoughts on this also.

Thanks!
Les Schwab has just started carrying a Continental Eco Hybrid tire - less rolling resistance so MAYBE better mileage. I bought them because the Toyos they have are 6 months or more old. I originally wanted the Toyos.

As you know, with motorhome tires you are paying by the month, not by the mile.

The Continentals Les Schwab had were 2 weeks old. The ride is outstanding. They track really straight. Much softer ride. So far - I really like this tire. I need to burn a few tank fulls to see if there is anything to this mpg improvement claim.

It seems like a lot of big semi trucks run Continentals, so they must be okay.

The Continentals were a few bucks more than the Toyos - not much.

PS The best ride improvement I had was Monroe shocks. They are much softer. You will give up some handling, but for me it was a tradeoff I was willing to make.

Best of Luck!
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Old 06-16-2019, 09:59 AM   #21
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Thanks. I will check it out.

Larry
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Old 06-16-2019, 10:17 AM   #22
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You could also install air bags. In installed a set from SD Truck, I think and they work great.
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