Good Sam Club Open Roads Forum: Goodyear Endurance Tires VS Carlisle Trail HD Tires
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 > Goodyear Endurance Tires VS Carlisle Trail HD Tires

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Thermoguy

Graham, WA

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Posted: 10/09/20 10:35am Link  |  Quote  |  Print  |  Notify Moderator

aftermath wrote:

Thermoguy wrote:

...

Talking to the Goodyear guy today about LT vs ST - ST tires are designed to go straight. Never get much abuse and only designed for rolling resistance. AN LT tire will not roll as well so might increase fuel cost, but a way better built tire. Whenever I have asked a tire professional about LT vs ST they can't tell me why one should buy an ST tire. And, if you need the extra few pounds of added load range, then maybe you should step up a load range anyway.


From everything I have heard or read, this statement is in error. The advantage of an ST tire is in the strength of the sidewalls. They are designed to stand up to the lateral loads produced by sharp turns, like when you are backing into tight camping spots. There are many arguments why an LT tire might be better, but this isn't one of them. Remember, when you talk to a salesman about any product other than what he is selling, be prepared for a sales pitch. Sounds like he hit pay dirt.

.


That is the marketing pitch for why you should buy ST tires, but have you checked the sidewall on them? I had a Marathon, Hercules, and GY Wrangler all side by side not mounted. The Wrangler was much tougher to the touch than either of the other 2. All E rated tires, you could flex the others very easily - the Hercules was bought to get me out of a bind, but very soft side wall. The "steel" belts in an LT tire run crisscross to each other, where the ST tire runs around the tire. The side wall on the LT tire is much stronger and the overall tire weight is more - don't you think taking a truck off road and over rocks is harder on a tire than straight down the highway?

With that said, I have a heavy horse trailer, gooseneck, that has has LT tires on it from new. I jack knife the trailer all the time to park next to my barn, have never had an issue. That trailer gets way more abuse as far a driving circumstances than the RV due to the nature of the use. My first set of original tires went 10 years (I didn't know as much about tires as I do now). I replaced due to dry rot... The GY Wranglers on them now have almost 5 years and look new.

Thermoguy

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Posted: 10/09/20 10:43am Link  |  Quote  |  Print  |  Notify Moderator

TKW wrote:

Thermoguy wrote:



I thought I could get away with my 7 year old Marathon tires this year as well. Found out that I couldn't. 2 of the 4 had major bulges and had to be removed on the spot. One blew on a trip, but I can blame that on the shackels braking and not the tire. But, the point is, and everyone on here will tell you, 7 years is too long for a trailer tire.



Where are your 2 bad tires located? The one failed on mine is at the right front side and the diagonally opposing one also showed signs of belt separation. The other 2 still looks good with a bit of tread left.

Everyone here is talking about replacing trailer tires every 7 years. My last set of Marathon still looked good after 19 years when I sold off my last TT as a reclamation project. These Marathon were made in Canada in the '90 though. We didn't travel enough to wear them down
to get new tires. We keep the pressure up on every trip, park at home out of the sun and keep an close eye on them for dry rot or uneven wear pattern.


Trailer tires dry out from the inside out. Tread life is never an issue unless you are a full-timer that likes to travel. I thought I could go one last season with my Marathon tires - new in 2013 - I was wrong... I had a blowout on the road. 1 of the other tires showed separation and had a small bubble on it. After repair and replace with my spare and a new tire, I had 2 Marathon tires still on the trailer, put one on each side. After driving home, one of the tires had a huge bulge on it, surprised it didn't blow. Changed it out. When I got new tires, they showed me the other one had signs of separation. So, all 4 tires had separation. Moral of the story, they were done - period... I should have changed them out before the season not waited until after. Simple as that. By the way, tread like looks great - other than the belt separation...

aftermath

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Posted: 10/10/20 05:20pm Link  |  Quote  |  Print  |  Notify Moderator

Thermoguy wrote:

...
That is the marketing pitch for why you should buy ST tires, but have you checked the sidewall on them? I had a Marathon, Hercules, and GY Wrangler all side by side not mounted. The Wrangler was much tougher to the touch than either of the other 2. All E rated tires, you could flex the others very easily - the Hercules was bought to get me out of a bind, but very soft side wall. The "steel" belts in an LT tire run crisscross to each other, where the ST tire runs around the tire. The side wall on the LT tire is much stronger and the overall tire weight is more - don't you think taking a truck off road and over rocks is harder on a tire than straight down the highway?

With that said, I have a heavy horse trailer, gooseneck, that has has LT tires on it from new. I jack knife the trailer all the time to park next to my barn, have never had an issue. That trailer gets way more abuse as far a driving circumstances than the RV due to the nature of the use. My first set of original tires went 10 years (I didn't know as much about tires as I do now). I replaced due to dry rot... The GY Wranglers on them now have almost 5 years and look new.


If you do a search on ST vs LT tires for towing trailers you will get an awful lot of information. Some of course, will come from trailer forums and be of questionable reliability. Read some of the others, from tire dealers/manufacturers or RV technicians. After a while you will get a "feel" for what most people believe.

Here is one that is relatively honest.

ST vs LT tires


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JIMNLIN

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Posted: 10/10/20 10:08pm Link  |  Quote  |  Print  |  Notify Moderator

Mark Polk ??
Lordy...the only thing he knows about better tires for trailer use is propaganda from ST tire websites. From all I've read from his blogs he shows he has very little actual towing trailers experience.
He mentions a tire treads and Michelin XPS Ribs. The XPS Ribs have a solid rib tread type with fewer tread sipes made for low rolling resistance just like our commercial grade load G trailer tires (S637 Sailuns or Goodyears G614 RST tires). RV and commercial haulers use these type of treads in summer and winter. Michelin even has a add recommending them for commercial trailer service.

Check out a actual tire engineer, Tireman9 blog for actual LT vs ST tire differences.


"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers

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aftermath

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Posted: 10/10/20 11:21pm Link  |  Quote  |  Print  |  Notify Moderator

Guys, take a deep breath. I am not attacking LT tires. They are very good. My issue is what I stated before. ST tires are built as "speciality tires" for trailers. Because there are not as many produced as LT tires you can get some pretty bad ones. Lots of poor manufacturers jumped in and sold them cheap. Trailer companies bought lots of them and put then on their products which produced a lot of problems as you are all aware.

Today ST tires are much better, maybe not as good as your LTs but they are better. ST tires have stronger sidewalls. I am not saying that they are stronger overall, or better or anything like that. The sidewalls are stronger.

I tried to find a statement by Tireman9 about this and couldn't find one. I have always respected another tire engineer, CapriRacer and after many minutes couldn't find a post of his discussing this. I did find this though,

Trailer manufacturer description

I am done. Believe it or don't, that is your decision. Again, LT tires are good. ST tires work in some situations too. You get to decide.

aftermath

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Posted: 10/10/20 11:36pm Link  |  Quote  |  Print  |  Notify Moderator

Sorry, can't help myself.

Here is another clip to check out. This one comes from a tire dealer.

ST description

Now, I am done.

bucky

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Posted: 10/11/20 04:13am Link  |  Quote  |  Print  |  Notify Moderator

I've run Firestone Trans Force, Carlisle HD Trail, and now Goodyear Endurance. The only blow out I ever had was a Marathon on a 5er I had just bought and was in the process of taking one tire at a time to the tire dealer to get replaced. I should have taken that one first.
I went with the Endurance.


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JIMNLIN

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Posted: 10/11/20 08:34am Link  |  Quote  |  Print  |  Notify Moderator

aftermath wrote:

Sorry, can't help myself.

Here is another clip to check out. This one comes from a tire dealer.

ST description

Now, I am done.

all those clickies your posting are old and all repeat the same ST tire mfg misinformation...that LT tires are made for trucks only. And even make the comments they don't work for tires on a trailer. And some even have said LT tires don't come on trailers.

Tireman9 blog has his opinion on the subject Its all there on rvtiresafety.net if you have the time for a long search.
Barry Smith (CapriRacer) has expressed his opinion on this and other rv websites and even on AllExpert.com answering tire questions.
A hint; don't look for certain wording like stronger sidewalls or strongest tire but rather their opinions on using a ST vs LT in a trailer position.


Good read from member SeniorGNC on LT vs ST FMVSS tire testing vs ST tire mfg advertizing. This should be a sticky on any rv website

ST vs LT FMVSS testing

Thermoguy

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Posted: 10/11/20 10:06am Link  |  Quote  |  Print  |  Notify Moderator

On the subject of LT tires, I now have 2 trailers with LT tires so I will be able to give a real world experience, after some time. My Horse trailer, a gooseneck weighs about 8K on the trailer axles when fully loaded. It has always had LT tires since new. The current tires were new in 2016 - Goodyear Wrangler HT. No issues so far. The other trailer, a Fifthweel, about 9K over the axles. Just installed the tires last week, same Goodyear Wrangler HT, at $131 a piece seemed like a good way to go. I could have purchased the Endurance at about the same price, but wanted to go with the LT tires. So, I will be the first to say it was a bad decision if in fact it was. I guess more to come in a few years...

I think I will go another season on the horse trailer, then change them out before the summer of 2022. But, then I can sell the LT tires for $25-$50 each to some guy that needs tires for his truck or van. Much better than that guy buying from a junk yard or scrap tire dealer as the tires although old will have great tire tread. Can't do that with an ST tire.

Thermoguy

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Posted: 10/11/20 10:18am Link  |  Quote  |  Print  |  Notify Moderator

JIMNLIN wrote:


all those clickies your posting are old and all repeat the same ST tire mfg misinformation...that LT tires are made for trucks only. And even make the comments they don't work for tires on a trailer. And some even have said LT tires don't come on trailers.

Tireman9 blog has his opinion on the subject Its all there on rvtiresafety.net if you have the time for a long search.
Barry Smith (CapriRacer) has expressed his opinion on this and other rv websites and even on AllExpert.com answering tire questions.
A hint; don't look for certain wording like stronger sidewalls or strongest tire but rather their opinions on using a ST vs LT in a trailer position.


Good read from member SeniorGNC on LT vs ST FMVSS tire testing vs ST tire mfg advertizing. This should be a sticky on any rv website

ST vs LT FMVSS testing



That is a great link and great info. Thanks for sharing.

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