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Old 04-16-2012, 03:38 PM   #1
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Michelin

Getting ready for new tires and have read most of the threads in regards to Michelin tires. Am looking to replace my Marathons with Michelin LTX M/S2 235/75R/15. My local tire shop really questioned me hard about this. He was concerned that there is only 4 ply's. Anyone ever had this concern raised? Trying not to move to 16" tires...don't want to buy new wheels and want to stay stock on my 1978 Ambassador.
Thanks.
Tom
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Old 04-16-2012, 03:51 PM   #2
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Originally Posted by tlavergne View Post
Getting ready for new tires and have read most of the threads in regards to Michelin tires. Am looking to replace my Marathons with Michelin LTX M/S2 235/75R/15. My local tire shop really questioned me hard about this. He was concerned that there is only 4 ply's. Anyone ever had this concern raised? Trying not to move to 16" tires...don't want to buy new wheels and want to stay stock on my 1978 Ambassador.
Thanks.
Tom
The minimum ply rating for your Airstream would be 6 ply, or load range "C".

However, load range "D" , 8 ply, would be even better.

Andy
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Old 04-16-2012, 04:10 PM   #3
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I still use e rated trailer tires as mine are like new. Most that keep the 15's and go to a LT seem to be going to the tire and size you listed in your post. When I switch someday, those are the ones I will use.
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Old 04-16-2012, 04:28 PM   #4
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The fact is, tires are rated in "Load range" these days "C, D, E, etc." and not in numbers of plys. There is a correlation between the ratings and the old number of ply ratings, but today, load range D, or even E, might only be four or less actual plys of cord.

If you don't believe me, go look at the tires on your rig and right on the side of the tire, it will state the number of plys of what type material.
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Old 04-16-2012, 04:52 PM   #5
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Michelin LTX M/S2 235/75R/15 is has a service rating of 108, which translates to a max load of 2183 lb (according to TireRack.)

That's just over what Carlisle shows as the weight capacity for a 15" C Radial Trail trailer tire, 2150 lb.
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Old 04-16-2012, 04:58 PM   #6
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The trailer is 4700 lbs empty and sits on 3200 lb axles . I would think 2183 lbs/tire would be more than adequate without pushing any limits. Carlisle is what the tire shop recommended but the reviews on them are not good. Think these Michelin's are going to be it.
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Old 04-16-2012, 06:19 PM   #7
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Replaced the OEM Goodyears on our 2000 Bambi with 10 ply Carliles.. trips to North Shore Minn...Mesa Verta,Co and three trips to Sanibel,Fl ..miles .. a bunch no problems ... I see no need to go to 16"
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Old 04-16-2012, 06:54 PM   #8
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I have the same Michlen 15" tires you mentioned on my 25' Excella. They have been on the trailer for almost 4 years now, probably 40,000 miles on them. One trip to Alaska and over Top of the World highway and the Alcan highway. They have performed perfectly. No flats, no punctures, no air loss. As to the toughness of the tires, I do not think the heavier tires make all that much difference, and I would rather run the slight risk of a puncture than the much larger risk of a blowout at speed from a poorly constructed tire.

Depends upon how much your trailer weighs. Mine has a listed GVW of 6800 lbs. My actual axle weight hitched is 5800 lbs. So the 1900 or so lbs weight rating for each tire adds up to a little margin.

What wheels do you have? Are they rated for 50 or 65 or 80 lbs.? Does it run with load range C or D trailer tires?

If you get enough weight capacity I think you will be happy with the LT load range C tires

Some one posted that they had found 15" load range D, LT tires by Continentel, the same tires used on Interstate vans. If you need the load range D tires for the weight rating and if your wheels are rated for 65 lbs that would be worth investigating.

On my larger trailer I went with the GYM, because of the load range D and because it sits a lot more than I pull it. If I had to do it over I would look for the Continentiel tires mentioned above
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Old 04-16-2012, 06:58 PM   #9
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Quote:
Originally Posted by DKB_SATX View Post
Michelin LTX M/S2 235/75R/15 is has a service rating of 108, which translates to a max load of 2183 lb (according to TireRack.)

That's just over what Carlisle shows as the weight capacity for a 15" C Radial Trail trailer tire, 2150 lb.
I have a set on an 85, 31 ft Limited. Used the same philosophy you stated above. Used them to tow to Fl and back with great IDE and great mileage.I believe the tire itself has a max load on it, as 2183. I am about to put 6 of them on a 34 ft Avion tri-axle.
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Old 04-16-2012, 08:36 PM   #10
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You won't have any problems with those tires. They are the best you can buy for anything with 4 wheels. I have the BF Goodrich equivalents and they run great. The Michelins are better tires than the BF Goodrich tires.

Perry

Quote:
Originally Posted by tlavergne View Post
Getting ready for new tires and have read most of the threads in regards to Michelin tires. Am looking to replace my Marathons with Michelin LTX M/S2 235/75R/15. My local tire shop really questioned me hard about this. He was concerned that there is only 4 ply's. Anyone ever had this concern raised? Trying not to move to 16" tires...don't want to buy new wheels and want to stay stock on my 1978 Ambassador.
Thanks.
Tom
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Old 04-16-2012, 09:34 PM   #11
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It was also suggested to me that I take a look at Continental Vanco 2 tires. Used on Sprinter vans I guess. Anyone have experience or knowledge of these tires?

http://www.tirerack.com/tires/tires....R5V2&tab=Sizes
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Old 04-16-2012, 09:58 PM   #12
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Quote:
Originally Posted by tlavergne View Post
Getting ready for new tires and have read most of the threads in regards to Michelin tires. Am looking to replace my Marathons with Michelin LTX M/S2 235/75R/15. My local tire shop really questioned me hard about this. He was concerned that there is only 4 ply's. Anyone ever had this concern raised? Trying not to move to 16" tires...don't want to buy new wheels and want to stay stock on my 1978 Ambassador.
Thanks.
Tom
I'm running these on our 1971 Trade Wind. Plenty of extra capacity w/ 2800 lb axles and ~4200 lbs of tire capacity/axle. They roll very easily and we get 14 mpg pulling w/ Michelins all around.

The local tire shop (expert at all sorts of exotics) had no reservations using these tires on the trailer.

- Bart
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Old 04-16-2012, 10:52 PM   #13
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I am in the same boat. Need to replace maratons: Andy seems to think that the Michelins don't have enough plys. What would be the best tires without going to 16"?
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Old 04-16-2012, 11:39 PM   #14
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I am in the same boat. Need to replace maratons: Andy seems to think that the Michelins don't have enough plys. What would be the best tires without going to 16"?
According to Airstream, your trailer has a "4300 Lb. Axle System"; you'll need your tires to be rated at 2150 lbs at least. The 235/75R15 LTX M/S2 Michelin highway all season tires are rated at 2205 lbs/tire at 118 mph.

These tires should work nicely.

If you wanted your tires to carry more than the axle, Continental Vanco 2 tires will work in load range D 225/70R15 with an overall diameter of 27.4 inches, as opposed to the 28.9 of the Michelin tires, or only about 3/4" less ground clearance. You'll want to make sure your rims are rated to 65 psi for the Contis as others have noted; the Michelin tires go to 50 psi.

Find a local (not chain) tire dealer if this is unclear; they can help you.

- Bart
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