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Old 08-23-2014, 05:02 PM   #1
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Goodyear tires. Keep or replace

Well I have a question. I have a new 2014 flying cloud 25 with Goodyear Marathon tires on it. I have seen this question asked before. I wanted to see if I could get as much info before I shell out no telling how much to replace them. The real question here should be if these tires are unsafe then why are they still installed on new trailers.
If people are replacing these what tire replacement would you suggest. Thanks. Bill


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Old 08-23-2014, 05:30 PM   #2
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And this was such a peaceful Saturday! I've been running GYMs for 3 years now, Replaced the original 2006 set when I bought it in 2011 and haven't had any problems on three longish trips plus lots of 200 mile weekends

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Old 08-23-2014, 05:35 PM   #3
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Unless you are made of money, I would not rush to get rid of brand new Goodyear Marathons. But, when the time comes to replace them, I would encourage you to replace them with light truck (LT) tires and not trailer tires.
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Old 08-23-2014, 05:45 PM   #4
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Why replace perfectly good tires? Inspect them regularly, keep at Airstreams recommended air pressure and watch you speed (60 MPH max). I have been using GYMs for 4 years. Zero issues.
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Old 08-23-2014, 06:12 PM   #5
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I've noticed that GYMs run significantly hotter in ambient 90-100+F than do the Michelin LTXs. My experience using an infrared pyrometer on the sidewalls of both tires, at those temperatures the GYMs run 10-15 F higher (ie 125 vs 140)

The 235/75 LTX M/S 15s have a wider contact patch for better braking and are designed to perform well in poor weather.

My 2014 23D seems to ride much nicer over rough areas with the Michelins. The additional investment was a no brainer for peace of mind.
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Old 08-23-2014, 07:12 PM   #6
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[QUOTE=interstateflyer;1500389]I've noticed that GYMs run significantly hotter in ambient 90-100+F than do the Michelin LTXs. My experience using an infrared pyrometer on the sidewalls of both tires, at those temperatures the GYMs run 10-15 F higher (ie 125 vs 140)

Are you running the same pressure in the GYM's as the Michelins?
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Old 08-23-2014, 07:25 PM   #7
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I always love how quickly people on this forum are too spend other peoples money. Run them until they actually need replacing and then get another brand if you desire.
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Old 08-23-2014, 07:36 PM   #8
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I just replaced original GYM's on my 2008 Safari. I never had a blow-out or even a slow leak. I replaced with another set of GYM tires. No complaints..
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Old 08-23-2014, 07:52 PM   #9
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I have never had a Goodyear tire fail. However, Michelins do ride better, last longer, and grip the road better.

Personally, I would run the GYMs until they need to be replaced, then buy some Michelins.
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Old 08-23-2014, 08:25 PM   #10
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Run them. Meanwhile, check out the loc AS mechanics for how much they charge for repairing damage the tires can cause.

Also get a tire pressure/temp monitor and Centramatics.
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Old 08-23-2014, 09:12 PM   #11
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Sell them on craigslist for $75 apiece and buy yourself real tires.
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Old 08-23-2014, 09:24 PM   #12
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There are enough tire threads on this forum that one could spend days reading them all.

By the time I purchased the 2013 25FB, I had read enought horror stories about the GoodYear OEM tires on this forum and had them delaminate just sitting in my driveway with the motorcycle carrier tailer.

The thousands of dollars repair costs and extended down time awaiting repair completition mentioned by those that had GoodYear tire issues convinced me that the roughly $700 to replace the five OEM tires with the Michelin LTX (P) 235/75R15 XL tires on the factory rims made economic sense.

There are places one can cut costs and not impact safety, but tires are not one of them. The Michelins are NOT speed limited to 65 mph like the GoodYear ST tires. I put the maximum pressure of 50 psi in the Michelins versus the 65 psi required in the GoodYears. With the Michelins, the trailer has a softer ride and has more contact patch on the ground for better braking.

Click on the "images" below my avatar to see photos of basically a new GoodYear ST tire beside at 15" Michelin and a 16" Michelin.

The 25' Airstreams have a GVW of 7,300 pounds. Ours had a 1,175 pound tongue weight camping ready, so the four tires were carrying a 6,125 pound load or about 1,531 pounds each. A 15" Michelin is rated 1,983 pounds when derated for trailer use.

That is a lot more tire load safety margin than I had with a new 2014 31' Classic with the GoodYear tires the factory installed. I immediately replaced the GoodYears with Michelin LT 225/75R16E LTX M/S2 tires mounted on SenDel T03-66655T 16" aluminum wheels (same as the factory uses on the 2015 Classic) rated at 2,680 pounds for peace of mind.

I also installed Centramatic wheel balancers on both trailer and the tow truck.

Airstreams are an expensive hobby. If I could not afford the best tires for the project, I should not have purchased the trailer.
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Old 08-23-2014, 09:29 PM   #13
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tires

Yeah, I have been looking at the the wheel-wells on my Airstream lately. It would be interesting if you could make or buy a insert that was stainless steel or Kevlar and line that thing. Tread peels from tire, starts slapping the 'armored wheel-well' you hear it and come to a controlled stop. No damage.
I wonder.
Some of the things I think about when staring at the Airstream.
Hmmmmmm
Have a good one,
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Old 08-23-2014, 09:35 PM   #14
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[QUOTE=daveswenson;1500412]
Quote:
Originally Posted by interstateflyer View Post
I've noticed that GYMs run significantly hotter in ambient 90-100+F than do the Michelin LTXs. My experience using an infrared pyrometer on the sidewalls of both tires, at those temperatures the GYMs run 10-15 F higher (ie 125 vs 140)

Are you running the same pressure in the GYM's as the Michelins?
50 psi in each.
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Old 08-24-2014, 07:18 AM   #15
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I just purchased my 27 FB. I'm not made of money and will keep the GYM until. I think it's time to replace them. I have purchased a tire pressure monitoring system though. For a 27Fb the max air pressure is 65. Is that the best pressure to run at?
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Old 08-24-2014, 11:25 PM   #16
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Quote:
Originally Posted by Van1 View Post
I just purchased my 27 FB. I'm not made of money and will keep the GYM until. I think it's time to replace them. I have purchased a tire pressure monitoring system though. For a 27Fb the max air pressure is 65. Is that the best pressure to run at?
65lbs Cold! I have been running GYM's since my 2005 Safari. Now on my 2014 25fb. One tire failure in all that time and it was probably my fault from hitting a large unmarked pothole. Correct pressure cold and stay under 65 mph and go camping.


George
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Old 08-25-2014, 05:29 AM   #17
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Quote:
Originally Posted by daveswenson View Post
Quote:
Originally Posted by interstateflyer View Post
I've noticed that GYMs run significantly hotter in ambient 90-100+F than do the Michelin LTXs. My experience using an infrared pyrometer on the sidewalls of both tires, at those temperatures the GYMs run 10-15 F higher (ie 125 vs 140)
Are you running the same pressure in the GYM's as the Michelins?
Also, are you running the same size?

Unless all those things are the same, the temperature differences are meaningless.
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Old 08-25-2014, 06:04 AM   #18
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Quote:
Originally Posted by CapriRacer View Post
Also, are you running the same size?

Unless all those things are the same, the temperature differences are meaningless.
I hope you don't think Marathons and Michelins run the same temps.
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Old 08-25-2014, 06:31 AM   #19
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pothole

Quote:
Originally Posted by gmeikle View Post
65lbs Cold! I have been running GYM's since my 2005 Safari. Now on my 2014 25fb. One tire failure in all that time and it was probably my fault from hitting a large unmarked pothole. Correct pressure cold and stay under 65 mph and go camping.

George
Man I hate those 'unmarked' potholes. They can ruin your day in a flash, that's for sure. I dislike rough bridge transitions as well.
I really never worry about the 65mph, since I have the 4:10 gears in my Dodge. That is a rarity
They are perfect for 'twisty two lanes' though.
Have a good one !
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Old 08-25-2014, 06:54 AM   #20
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GYM's have a well earned reputation for blowouts.

Traveling locally and vacations in Texas summers I would monitor them with with tire pressure monitors.

We travel about the country so we sold four GYM's/wheels for $500 and bought four 16" Michelins/wheels for $1500, net cost $1000. Kept the original spare, in the unlikely event we will ever need it, it's fine as a spare.

Because the Michelins are very unlikely to blow out, we seldom travel in hot weather, and I check them at every stop, we don't use a TPMS. Another savings, not a recommendation just what we do.

Our money doesn't grow on trees either and we pay up front for what we buy.
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