Good Sam Club Open Roads Forum: LT tires on your TT? Let the fight begin
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 > LT tires on your TT? Let the fight begin

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midwest

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Posted: 02/13/20 08:47am Link  |  Quote  |  Print  |  Notify Moderator

ktmrfs wrote:

....snip

Since all of us have 15inch rims and need at least LRD tires, LT tires aren't really an option, so we just stick with ST's.



I use good year wrangler HT in LT21575-15 on my horse trailer. Load range D. Tire rack has them or any GY dealer can get them.

ScottG

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Posted: 02/13/20 09:47am Link  |  Quote  |  Print  |  Notify Moderator

Curly2001 wrote:

I really don't know what has happened over the years....I mean back in the late 60's and 70's to tires. My folks had an Ideal 19' travel trailer in Tucson for many years. Took trips to Oregon, Washington, Idaho, and California with no tire issues. I am sure there were no China bombs back then and for sure there were no radial tires then on trailers......so.....what changed? Back then the trailers were very heavy compared to today, the speed limits were about the same in many cases, in most areas the roads were just as crappy, and we didn't have the tire issues with non-radial tires. Come to think about it, I am not sure we had ST tires either but ran bias ply tires.
Curly


I think it was the radial tire change over. When I first started towing a TT, the tires were bias-ply Carlisles. They were great tires! If you got a puncture, they went flat and you changed it. No blowout or fuss and no excuses. Then they went to radials and the problems started.


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JIMNLIN

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Posted: 02/13/20 11:51am Link  |  Quote  |  Print  |  Notify Moderator

I was around towing for a living when the automotive tire industry moved to radials. ST were a few years behind.
The issues I had with Goodyear I mentioned above were all with bias ply tires. They simply ran to hot even at max psi.


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ktmrfs

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Posted: 02/13/20 08:28pm Link  |  Quote  |  Print  |  Notify Moderator

Huntindog wrote:

ktmrfs wrote:



Since all of us have 15inch rims and need at least LRD tires, LT tires aren't really an option.
Rim size is real easy to change.

If your luck changes, than you know what you can do about it.


well, so far my "luck" on ST tires is about the same or better than my truck and cars. As in a previous post in 350K miles between myself and a couple of friends we have had no blowouts, just two nails that were slow leaks that TPMS caught, while in 1.2M miles I've had at least 4 quick flats on my cars/trucks. Luckily on a car/truck I can notice a tire going down quick before it blows.


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ktmrfs

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Posted: 02/13/20 08:33pm Link  |  Quote  |  Print  |  Notify Moderator

gmw photos wrote:

ktmrfs wrote:

....snip

Since all of us have 15inch rims and need at least LRD tires, LT tires aren't really an option, so we just stick with ST's.



I use good year wrangler HT in LT21575-15 on my horse trailer. Load range D. Tire rack has them or any GY dealer can get them.


that's only a 2,000lb tire. Overloaded on my trailer.

CALandLIN

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Posted: 02/15/20 01:49pm Link  |  Quote  |  Print  |  Notify Moderator

agesilaus wrote:

CALandLIN wrote:

The builders of ST tires advertise them as having stronger sidewalls than like sized LT or P tires. To counter that, one would have to get a tire engineer to unequivocally dispute that so called “theory”.


Until you can explain why they catastrophically fail at much greater rate than passenger or LT tires, I'll assume they are lying.


Yes!

agesilaus

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Posted: 02/15/20 03:59pm Link  |  Quote  |  Print  |  Notify Moderator

Here is another view on the subject: RVTravel emag. Not exactly written in a crystal clear manner but he is saying, I think, that most ST OEM tires are operating too close to the load capacity of the tire unlike most trucks.


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Huntindog

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Posted: 02/15/20 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

agesilaus wrote:

Here is another view on the subject: RVTravel emag. Not exactly written in a crystal clear manner but he is saying, I think, that most ST OEM tires are operating too close to the load capacity of the tire unlike most trucks.
While this is true, it is not the entire reason. Many including myself upgraded sizes and load ranges while staying with STs. Some like Calvin reported a fewer failures with this. But not elimination of the problem. He chose to stay with STs. I saw little difference, and moved on to LTs.

The main problem as I see it is a matter of cost. Many times I have seen ST tires marketed as an "affordable solution to your trailer tire needs" Or a "cost effective tire"

There really is not much of a good, better,best hiarchy when it comes to STs. The Endurance which is the present favorite of the ST crowd (there have been quite a few) Is around 99.00 from what I have read here. My Michelin XPS RIBS are about 240.00.. The only thing they have in common is they are round and hold air.
In some respects it is the consumers fault. From the manufacturers wanting the cheapest possible tires (or anything else on a TT)
to the owners that seeing how little they actually use the TT compared to their daily driver, and are loath to spend any more than they have to.



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BarneyS

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Posted: 02/15/20 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

ktmrfs wrote:

Snip...
Since all of us have 15inch rims and need at least LRD tires, LT tires aren't really an option, so we just stick with ST's.
Smip...

I have been using Maxxis 15inch ST 225/75R15 LR E on my trailer for the past 4 years and they are on it today. Have not had a single problem and my trailer is a very heavy one - especially when we were traveling South for the winter.
Barney

Maxxis M8008 tires specs

* This post was edited 02/16/20 10:55am by BarneyS *


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dave54

Northeast CA.

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Posted: 02/15/20 06:39pm Link  |  Quote  |  Print  |  Notify Moderator

Ron3rd wrote:

I've seen the arguments for and against. Only observation I've made on this forum over the years is that it seems everyone that's switched over to LT tires is happy with the switch.


I switched back to ST.
With LTs the rig was all over the road and made towing a real workout, and had poorer fuel economy. With STs the rig just handles better in all weather and road conditions with better fuel economy.

The only time I ever had a problem with an ST is when the tires were over 4 years old, and I got lazy and failed to check pressures. I am normally OCD on tire care and never had a problem when I maintained diligence.

LTs require less diligence, true, but the worse handling and fuel economy made it bad trade-off for me. YMMV.


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