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Old 01-10-2014, 12:54 PM   #21
Rainer
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In the past six years I've had five tire failures on ST tires on my trailer. I've incurred over $4000 in trailer damage from these ST tire failures. I'm religious about inflation, weight and speed maintenance as well as tire temperature, using an infrared thermometer on my tires; I now using a tire pressure monitoring system which also updates me on tire temperatures.

In that same time period I've had absolutely NO tire failures on any of the vehicles I've owned over that same period of time.

My conclusion, like most of the rest of people here, is that ST tires are a bad choice. I'm happy with my Uniroyal LT tires. And as mentioned previously practice outweighs theory.
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Old 01-10-2014, 01:26 PM   #22
mazboy
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just go with g614s keep it simple and spend $2K.
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Old 01-10-2014, 05:29 PM   #23
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I'll wade in to this lively as usual subject responding "mazboy"
Not everyone owns the mega trailers
Not everyone travels with every item they've ever owned
Not everyone has the funds to purchase overkill tires
If you run em ... fine ... don't portray them as the only way to go
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Old 01-11-2014, 02:28 AM   #24
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quote:Originally posted by scott-pati

I guess the only thing that matters to everyone is just the load range and not side flexing?
Side flexing has never caused any issues for us, nor have I noticed any sway. I have noticed that I have never had a blowout with an LT tire on any of our trailers.
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Old 01-11-2014, 05:14 AM   #25
mazboy
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keep it simple, go with G614s
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Old 01-11-2014, 05:16 AM   #26
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The tires recommended by the group of Michelin, Firestone and Bridgestone are good options.

I went with Bridgestone Duravis R250 235/85/16E. 3042 lbs @ 80psi. It weighs 59 lbs, 22 lbs heavier than either the Marathon or Tow Max. It is a all steel tire it has a speed rating of 101 mph.

(a G614 is a all steel tire and is also a LT rated tire, not a ST rated tire) It is recommended by Goodyear to be a trailer tire. Thus my disagreement with the dribble from Tire Rack about side wall flex and such of a non ST tire.

If side wall flex of a LT tire is such a issue, how are all the folks with a SRW truck able to tow a 5th wheel.

At ease. Smoke um if you got um.

Jim

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Old 01-11-2014, 05:33 AM   #27
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We have Duravis 250's as recommended by Lonnie. He recommend several tires for the trailer to choose from and we went with the Duravis 250. The tire shop that I bought them from said they were great tires for that size unit and he would highly recommend them. If you ask Lonnie he will give the types of tire you should run and if you are in his area he would be great to deal with.
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Old 01-11-2014, 06:05 AM   #28
jlb27537
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Some are recommending tires that are overkill for the OP's weights. Like this is a bit of overkill for mowing the yard. You mean you have never been to a lawn mower tractor pull???






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Old 01-11-2014, 06:17 AM   #29
steelpony5555
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Sideflex??????????? Well I ain't no scientist, but I do know that my trailer tows smoother and with less bounce and less sway with LT tires then when it does with ST tires on. When I bought my Montana it had ST Marabombs on it and dealer said it was cheaper for Discount Tire to change them then it would be for them to do it. I towed it the 150 miles home on them and noticed even then it was bouncing around back there more then our last trailer. Well it's a rear kitchen, need I say more. Yep we broke a bunch of dishes and glasses and even the frig the shelves came loose and all the food got scrambled. Got my LT tires on and we took her out for another 200 mile trip and did notice there was less bouncing around and when we got there our cabinets still got scrambled but no broken dishes and the frig was in one piece. Got EZ Flex put on and now things stay where they should be. But the LT tires made a huge improvement over the ST tires in handling, so their BS on sway and sideflex is just that BS in my book.
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Old 01-11-2014, 06:18 AM   #30
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I have so far stayed out of this debate because replacing tires on our RV's is so controversial. I will not recommend nor disagree with using an LT tire to replace "any" ST tire. I will however say this.

1) If your trailer is smaller and comes with 6000# axles and you never exceed your axle weight rating, then you will not reduce your carrying capacity by using an LT tire rated at 3042 lbs.

2) If your trailer is large and comes with 7000# axles that have already been down rated by Keystone to 6750 lbs because they are using tires that are only rated for 3402 lbs and you replace those tires with any load range E LT tire you further reduce your 7k axles down to 6k due to the capacity of the tire, why would anyone want to do that.

3) You cannot compare a "G" rated LT tire like the Goodyear G614 to any of the "E" rated LT tires, one is 14 ply and the others are only 12 ply rated.

4) IMHO You cannot compare how an LT tire performs on a vehicle for which they are designed with the performance of that same LT tire on a trailer axle, it is a whole different ball game.

I don't know what "china bombers" the OP has on his trailer but the Marathon is not and never has been rated at 3520 lbs, so one must assume they are some other ST tire brand. Most certainly 235/85R16 tires can be used to replace the 235/80R16 tires he currently has.
He might want to keep in mind there are other alternatives to the Goodyear G614 which are "G" rated and much less money.

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Old 01-11-2014, 07:58 AM   #31
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I agree totally with everything Ed said, except the 'bombs' are only 10 ply rated.

It all boils down to, how confident are you with your insurance company being able to restore your rig to it's current condition, and how much inconvenience are you willing to stand when you blow a tire in the middle of nowhere, tear up the rig, and who knows how long it will take to make repairs?

For us, being full-time, we weren't willing to continue worrying about when the next tire would fail. Yes, $2K is a bunch of money for tires, but the damage that can occur for going cheap will cost much more than repair costs alone. It doesn't matter if you only travel 1000 miles a year or 20,000 miles, the damage is the same. It's what some call risk management.
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Old 01-11-2014, 08:00 AM   #32
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quote:Originally posted by Irlpguy

...........but the Marathon is not and never has been rated at 3520 lbs, so one must assume they are some other ST tire brand...............
Marathons are actually rated for 3,420.
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Old 01-11-2014, 08:02 AM   #33
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quote:Originally posted by mazboy

just go with g614s keep it simple and spend $2K.
Not everyone has wheels rated for the 110# G614s.
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Old 01-11-2014, 08:03 AM   #34
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It just seems that the people that are going with the LT's are the ones that have the lighter RV's from what I see in the sig's of the people that switched. That's fine by me and good for you. I have a heavy rig and I BELIEVE I'm running those Marathons close to there limit. Plus the 3402rl runs a little higher off the ground, which adds even more stress.

The LT's don't even come close for the weight I have. So, as some of you say "peace of mind" is going to LT's, my "peace of mind" unfortunately is HAVING to go with G-tires. Which I plan on doing soon!

I'm not trying to wave the happy flag cause I have the Marathons, not at all. I've tried to put out helpful advise that I've found for everyone, so everyone could make an educated decision on the pro's and con's of tires.

I'm just as upset as anyone as to way the tire industry has not made better E rated tires that could have a speed rating higher than 65mph considering how the highways speeds have gotten higher over the years and better quality. RVing seems to be a huge business as there are a lot of them out there.

In closing, I guess this thread taught this RV newbie to keep his 2 cents plus tax where it belongs.

Scott

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Old 01-11-2014, 08:36 AM   #35
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Scott, when you do get the G614's, remember to make sure the shop installs the all metal high pressure stems that will handle the 100psi tires. I found out that not all shops have the stems in stock.
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Old 01-11-2014, 09:09 AM   #36
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Thanks Bob, I've already been doing research on it. I can't seem to find any. I'm going to have to go to a truck tire shop and get some. I found stems that go to 100, I want higher.

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Old 01-11-2014, 10:22 AM   #37
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quote:Originally posted by scott-pati

Thanks Bob, I've already been doing research on it. I can't seem to find any. I'm going to have to go to a truck tire shop and get some. I found stems that go to 100, I want higher.

Scott

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Old 01-11-2014, 10:33 AM   #38
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Thanks Mike!

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Old 01-11-2014, 11:20 AM   #39
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Quote:
quote:



In closing, I guess this thread taught this RV newbie to keep his 2 cents plus tax where it belongs.

Scott

Scott, Your two cents plus tax belongs on here as much as any other relevant comments. Sometimes our response to comments are not always well worded but certainly are not meant to be malicious. If I was a newbie I would have the same impression of ST tires as you expressed. After following this and other RV forums for 8 years I learned experience, mine and many others, convinced me the theory doesn't hold up to the experience. Sorry if it was my comment that offended you. That certainly wasn't my intent. Jim
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Old 01-11-2014, 11:42 AM   #40
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When I had the G614's installed last month in Arizona, the Big-O didn't have the stems, even though I specifically told them I required them when I ordered the tires. Went to pick them up the next day and they had regular rubber stems installed. After about two hours, they finally found some, though they were too short to put the TST sensors on. I just got a set I ordered online from Ebay which are longer and will allow the use of the sensors. Just have to get them changed out.

http://www.ebay.com/itm/FLUSH-MOUNT-...c5aee8&vxp=mtr
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