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Old 08-06-2014, 12:50 AM   #645
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The Michelin LTX (P) 235/75R15 XL tires on the factory 15" wheels were more than adequate for our 2013 25FB International Serenity with GVW of 7,300 pounds and loaded axle weight of around 5,860 pounds camping ready and tongue weight if 1,175 camping ready. We were carrying an average load of 1,465 pounds per tire.

The GVW of a 23' Airstream is 6,000 pounds, which means at the most the axles would be carrying 5,500 pounds of load and more typically would see under 5,000 pounds on the tires. That implies an average tire load of around 1,250 pounds with a maximum value of 1,400 pounds per tire against a 1,985 derated load capacity. That means the tires could be loaded somewhere between 63% and 71% of their capacity with a fully loaded camper.

That is more than load enough margin.

My Michelin LT225/75R16/E LTX M/S2 tires mounted on 16" SenDel wheels are running at 84% of capacity. The factory GoodYears are at 89% of capacity. I get 5% more reserve capacity with the larger tires due to the higher weight rating (2,680 pounds at 80 psi versus GoodYear 2,540 pounds at 65psi).

Neither Michelin tire has a speed limitation of 65 mph like the ST tires have. You can read that that restriction on the sidewall of the ST tires.
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Old 08-13-2014, 12:26 PM   #646
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I had a set of Michelin LT235/75R15 XL LTX M/S2 tires mounted on Sendel T03BM 15x6 5-4.50 wheels installed on our 2014 International 23D.

Spin balanced, metal valve stems and new lug nuts all around (some of the originals were already cracked).

Wow......I'm blown away by the difference in ride quality, maneuverability and braking (larger contact patch).

And the 1.125 inches increased ground clearance is fantastic. It went from 7 to over 8 at the water tank drain petcock (why they ever put it there I'll never know).

I would highly recommend this upgrade to anyone with a 23 foot A/S running 14 inch GYMs.

The guys at America's Tire were fantastic (my second A/S upgrade there). They'll even test your torque wrench on their torque wrench calibrater.
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Old 08-13-2014, 03:24 PM   #647
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Originally Posted by interstateflyer View Post
I had a set of Michelin LT235/75R15 XL LTX M/S2 tires mounted on Sendel T03BM 15x6 5-4.50 wheels installed on our 2014 International 23D.

Spin balanced, metal valve stems and new lug nuts all around (some of the originals were already cracked).

Wow......I'm blown away by the difference in ride quality, maneuverability and braking (larger contact patch).

And the 1.125 inches increased ground clearance is fantastic. It went from 7 to over 8 at the water tank drain petcock (why they ever put it there I'll never know).

I would highly recommend this upgrade to anyone with a 23 foot A/S running 14 inch GYMs.

The guys at America's Tire were fantastic (my second A/S upgrade there). They'll even test your torque wrench on their torque wrench calibrater.
After much, much research on this wonderful forum, and discussions with fellow Airstreamers, I'm getting exactly the same tires for my 25' Caravanner next month, and at Discount Tire, which you know is the corporate sister to America's Tire here in the Intermountain West. I've been buying tires from them for twenty years. Glad to know you are so pleased with the Michelins. I'm looking forward to them, and the increase in ground clearance.
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Old 08-14-2014, 12:10 PM   #648
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interstateflyer you might also want to consider adding 200-221 Special - (6 bolt) Airstream Trailers - they dynamically balance the wheel/hub/brake/axle assembly. See Video-How-Centramatic-Balancers-Work - Centramatic Wheel Balancer, Tire Balancers for DFW Trucks

I put them on both my AS and TV.
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Old 08-14-2014, 12:18 PM   #649
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interstateflyer you might also want to consider adding 200-221 Special - (6 bolt) Airstream Trailers - they dynamically balance the wheel/hub/brake/axle assembly. See Video-How-Centramatic-Balancers-Work - Centramatic Wheel Balancer, Tire Balancers for DFW Trucks

I put them on both my AS and TV.
I've heard people reference the Centramatics. Where do you see a noticeable difference in towing when using them?
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Old 08-14-2014, 12:59 PM   #650
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I've heard people reference the Centramatics. Where do you see a noticeable difference in towing when using them?
You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
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Old 08-14-2014, 03:26 PM   #651
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You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
We have some customers that have added them to the never-lubes, and have reported that everything was fine.

To some degree, I find fault with some of the things Dexter promotes.

They, as an example say that their torsion axles don't need shocks.

But, they indeed put them on the axles that they sell to Airstream, or else.

Makes me then seriously question the validity of their statement about the Centramatics being used with their never-lubes.

I would also be amazed if Dexter has ever tested that set up.

Dexter is a great company, but some of their old old timers should take a much needed refresher course in Physics. Quite well, they then would change some of their ideas.

Andy

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Old 08-14-2014, 03:35 PM   #652
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Originally Posted by dkottum View Post
You won't if your running gear is balanced. They were designed for the trucking industry who put huge mileage on the rigs. A "just-in-case" item for us, unless perhaps you are putting on big mileage.

We don't use them on our trailer because the Never-Lube bearing manufacturer says you must not have any wheel offset with their bearing. The Centramatics offset the wheel the thickness of their mounting plate, not much but it can be seen as the other side of the "just-in-case" coin.
I should have also added that Dexter says welding a shock bracket on the torsion arm, can void the warranty.

But, supervised laboratory tests should that the temperature of the square shaft was raised 16 degrees, when that welding took place.

If that amount of heat did any damage to the rubber rods, then I think Dexter might also say, NEVER tow a torsion equipped trailer in the desert during the summer, as that heat could ruin the rubber rods.

So much for scare tactics.

Andy
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Old 08-16-2014, 03:44 PM   #653
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The thickness of the Centramatics that slip over the studs (between the brake drum and the wheel) is about 1/16". One thing I did notice was that after installing them both on my AS and TV, it requires re-torquing the wheels several times over about 500 miles of driving. Not a big deal, but it must be done.
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Old 08-16-2014, 04:06 PM   #654
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I've had them on my never lubes for about 12k miles. So far, no problem.
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Old 08-17-2014, 09:47 AM   #655
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I have used Centramatic wheel balancers on both Gold Wing motorcycles for years and no longer need to have the wheels balanced (since they are smaller tires and wheels with less mass).

I installed them on both Airstreams and the truck. It helped the Dodge steering some. Anything to reduce vibration inside the trailer is a good thing and the cost was minimal ($199).
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Old 08-17-2014, 04:44 PM   #656
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I have decided I like Michelin tires for a silly reason.
I think it's funny that the Michelin Man is embossed on the sidewall. I noticed it first on our daughter's Chevy Equinox and then on Jannie and Billy's Interstate.
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Old 10-16-2014, 09:03 PM   #657
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I want to give a shout-out recognizing Tredit Tire and Wheel regarding the purchase of my new Sendel 16" T03 Wheels

I have been communicating with Matt Agee at the Lenexa, KS Tredit Store for a couple of years. Last Friday, I was finally ready to buy the six aluminum wheels for my 34' trailer plus one steel wheel for the spare, so I contacted Matt about ordering the wheels. Matt didn't have these particular wheels at his store right now, so he checked the inventory at the other Tredit Stores and found that the Plant City, FL store had them in stock. He sent me an email stating that Plant City had the wheels in stock and he copied the folks in Plant City. I then contacted Jenny Roundtree in the Plant City store (888-664-6656) to order the wheels. Jenny immediately sent a written quote on the wheels and shipping so I placed the order. The wheels shipped from Florida on Monday (Fed-Ex Ground) and this evening (Thursday), they're sitting in my garage waiting to have the tires mounted.

From my experience, the Tredit folks are an excellent source for wheels with great prices and service!

Steve
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Old 10-18-2014, 03:50 PM   #658
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Brian, when you got your newest Airstream, did you order it with 16" wheels and Michelins? Maybe you already answered with elsewhere, but I can't recall.

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