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Old 06-24-2012, 04:24 PM   #1
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Tires (again)

I need to replace the ST20575R15 tires on our T-1950. Although tread looks great, replacement is long overdue as a result of their age
Looking for recommendations on brand, price, source, etc or size change, if appropriate.
There's not much @ all available locally. Am fine w/ buying a good tire mail order/ online if shp fees are reasonable.
Also none of the 4 Mission tires currently installed (which I believe were original equipment) have any balance wts on them anywhere. Are trailer tires balanced ?
Thanx for any help, advice, good sources
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Old 06-24-2012, 06:06 PM   #2
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Try Discount Tire Direct. Maxxis ST205/75R-15/D1 B - $115 - free shipping.
205/75-15 Maxxis M8008 ST Radial BS Trailer Tire Tires

Yes, I think trailer tires should be balanced. Some don't think it is needed.
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Old 06-25-2012, 10:43 AM   #3
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Do they make a LT tire that would fit? I have a 195sr that needs new wheels, planning a cross country trip and want good tires on our TT. Thanks for any advice as well in advance. Otherwise I will go with those recommended. I hate that I can't find a ST tire for my camper made in the US.
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Old 07-01-2012, 09:02 PM   #4
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Quote:
Originally Posted by medbill View Post
Do they make a LT tire that would fit? I have a 195sr that needs new wheels, planning a cross country trip and want good tires on our TT. Thanks for any advice as well in advance. Otherwise I will go with those recommended. I hate that I can't find a ST tire for my camper made in the US.
Medbill,

See this post. I do not know the tire size you have. HenryJ posted on his successful LT conversion and soon I will post on my LT conversion once I complete it. However my tires a bigger then yours and my options will not fit in your camper.

Hope this helps

John

EDIT: Added link LT Tires on trailers thanks to HenryJ for spoting I missed it....
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Old 07-01-2012, 09:49 PM   #5
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Hi GKLarson,

ST tire brand now a days is a problem. The Maxxis brand has better then most good reviews but they to have had some strikes agasint them. I myself am in the situation of needing new tires due to a tread detachment problem with my Denman's after 3 yeas of service. I now have 2 of them failed within 500 miles of each other on both sides of the camper.

In my case I replaced the 1 failed Denman with a Maxxis ST tire to get me back going again and have a level of trust in the tire. I will also replace the 2nd one that failed on my last trip with a Maxxis. In my case Discount Tire is the place I can get them. I have had 2 sets of Maxxis over the years and both never blew out but had weather checking cracks start at year 4.5. By year 5 they needed to be replaced.

In my specific case I am converting to LT Commercial truck tires. The 5 ST's will move to a flat bed trailer I just bought. Not everyone can do the LT upgrade and it comes with complexity in many cases. Most times new wheels and some times more fender clearance and these issues are too much for many to overcome. So what is one to do??

Here are some thoughts that may help on ST tires that I have collected along the way.

1. Weigh the trailer and split the axles weights on 2 scales or separate so you know each axle weight with the camper as loaded as you will ever tow to camp with it. Include fresh water if you haul to camp towing down the highway. Make sure you have 15% to 20% extra tire capacity over you heaviest loaded tire. Ideally if you can, get individual wheel weights and include the WD hitch hooked up and engaged when doing any tire capacity weighing as the WD adds load to the tires.

2. Check your rims for load and capacity. If they can handle the next load range, B to a C or C to a D, or D to E the added up grade buys more saftey margin. If the wheels will not take that extra load rating, either upgrade the rims or stay the course on the size you have. If you do not have to buy new rims and can upgrade a load range in the same OD tire, this is a big gain and not a lot of money. EDIT for clarity (7-2-12): If you already have 20% reserve capacity over your heaviest "scaled max" tire you have the reserve and may not need the load range upgrade. It you believe your weight will change then it is added insurance to upgrade a load range. The key is to get the extra reserve capacity from known scaled weights on individual tire loads, not estimates.

3. Tire stems. Mandate new high pressure stems. High pressure rubber snap in's or metal stems. They cost squat but can be the difference of night and day in a tire failure.

4. Tire inflation. At the start of every towing day, check the air pressure cold in the morning before towing. Adjust to be spot on the tire pressure listed on the Sunline VIN tag. If you cannot read it then go max cold side wall pressure which is what many of the Sunlines recommend.

5. I agree to balancing trailer wheels. The tires and the axle bearings will ride better and longer. Since trailer wheels are lugcentric, ask your tire shop to balance them on an adapter using the lug holes not the stamped center hole. The center hole does not pilot a hub like on an auto and may not spin true to the tire.

6. Do not tow over the speed rating of what ever brand ST tire you have. Many are 65mph max, some are 60 mph max. Towing over the speed rating creates more heat then the tire can handle and starts the breakdown process ever faster.

7. Most important, at the start of every trip look at the tires. Look for side wall bulges or tread bulges. Do this even at every rest stop. If you spot any abnormality, change the tire then. I got lucky twice now as I spotted the failed tire and changed it before it blew. I know this sounds like there is not a lot of trust for ST tires, however looking and finding a problem before it manifests itself is worth a lot verses dealing with the aftermath of a tire blow out and wheel well damage. Trailer tires in a tandem setting are not the same as autos. They are different.

8. Use tire white covers if you store your camper outside. They do help. I myself also use 303 UV protectant to help ward off weather cracking.

9. 5 years may be all you are going to get from a trailer tire and mileage may not be the factor.

10. Check lug nut torque mandated after the change of a trailer wheel. 25, 50 and 150 miles checks since the wheel went on is a need. Paint in the lug holes and again the lug nuts hold everything on a trailer wheel. They do loosen until full seated. For your Sunline Grade 8 1/2-20 thread studs, 100 ft lbs. is adequate. 120 ft lb is max, 90 ft. lb is min.

11. Dates codes. Understand how to read a DOT dates code and ask for tires ideally no more then 1 year old. You may have to compromise but if you do not ask, you can get anything. Understand the tire warranty. Trailer Warranty

Maxxis tires are only warranted from 5 years from the date of manufacture, not the date of sale. If they sell you a 3 year old tire, you only have 2 years of warranty left.

Hope this helps and good luck

John
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Old 07-02-2012, 09:02 AM   #6
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LT Tires Work

John forgot the link to the LT tire thread. My experience thus far, more than a year and maybe 7500 miles, is all positive. Another member I pm'd with also changed to Yoko, but has not posted his experiences. I'm not flogging Yokohama, they just happen to have a tire that's a perfect fit. It looks like another good one, right size, right pressure, right load, good tread pattern but lower ground clearance, is the Continental Vanco 2. It also comes in some big sizes, but unfortunately is made all over the world, not China though.

I have no problem buying Yoko tires made in Japan--many other sizes are US made--as I know they will be built in a Yoko factory to typical Japanese quality. Same with Continental made at least anywhere in Europe are most likely made in a Continental factory with their quality control. To truly appreciate how big China is, google "Foxconn"--the electronics manufacturer that Apple and many others use. They have 800,000 to 1 M employees. I seriously doubt that there is more than one tire factory in China that makes ST tires, that Goodyear owns it or has anything to do with it, or that their ST tires are any better than any others. My Maxxis tires were made in Thailand, most likely in a Maxxis factory, but were still very low quality. On the other hand, my cousin has exactly the same tires on a car hauler he uses on the farm. It sits in the sun and dirt everyday and gets very occasional use and yet his 4 year old Maxxis look perfect.

When it comes to tires, truly YMMV.

Forgot to reaffirm balancing tires with beads, another quality upgrade since balancing just the tires still leaves the brake drum and spindle unbalanced--that is why most trailer tires are not balanced--while beads balance the whole rotating mass. I have beads in both my truck and trailer and will never use anything else.

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Old 07-02-2012, 07:27 PM   #7
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Quote:
Originally Posted by henryj View Post
John forgot the link to the LT tire thread. My experience thus far, more than a year and maybe 7500 miles, is all positive.

Henry
Henry, Thanks for adding the link...

Also good to hear your LT conversion continues to be positive.

John.

PS I agree the balancing beads is a good option over wheel weights. In my area no one seems to even have an adapter to balance a trailer wheel by the lug holes.
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Old 07-03-2012, 07:37 PM   #8
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We have the beads in ours..no problems yet.
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Old 07-03-2012, 08:10 PM   #9
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My tires look good, but are from 10/06. Next year we'll get new ones and I intend to go with radial trailer tires. Trailer tires have stiffer sidewalls that truck or car tires, and are what anybody should be getting for any kind of trailer.

All wheel/tire combos should be balanced always!

I'll be looking for best manufacturer recommendations next year. Generally I don't worry too much about manufacturer for tires, figuring they're ALL crummy!

Frank
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Old 07-03-2012, 08:30 PM   #10
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Quote:
Originally Posted by henryj View Post
Another member I pm'd with also changed to Yoko, but has not posted his experiences.
Henry, I think I'm the one you are talking about. I followed your lead exactly and have the dynabeads in them as well. I put about 6K miles on the tires and I'm very happy. I put a trip report up yesterday.

Again thanks,

T
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Old 07-21-2012, 09:39 PM   #11
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Well never got the chance to try the LT tires on our recent attempted trip cross country we were stopped by a passing truck driver warning us we were about to lose a tire on our TT. Pulled over and the original Mission tire was rounded from the bands separating or whatever the heck is these tires do just before to go to bits. Ended up changing it out with a spare and picked up a set of (5) Akuret HF188 ST Radial ST205/75 R15 8PR tires for $420 mounted and installed. They even pulled a hub for us to make sure things were looking good in there at no extra cost. Couldn't find much info about these tires on the net but will report how they hold up. They are already a year old or close to it from the DOT date. My Missions were all starting to go from the looks of the inside of the tires, I forgot to take pics of them but did try to take a pick of the rounded shape the bad tire had before being changed.

We dodged a bullet, hope the remainder of camping season goes well.

Thompson Tire in Salem, VA was great to us and right off I-81. Camper's World recommended them.
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Old 04-22-2013, 04:36 PM   #12
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Medbill, I do not know if you are still online much, but if so, can you tell me your opinion of the Akuret tires you purchased. I just bought some tires from my local garage, and I did not ask what brand they where when he ordered them. I was alittle surprised when I picked up the trailer and saw that brand as I too have never heard of them. Just wondering if I am going to be in any trouble or not.
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Old 04-24-2013, 08:54 AM   #13
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Last week, I purchased a set of ST205/75D15 bias ply trailer tires for my Sunline. They are made by Carlisle in USA. The date codes were within the last 6 months. You may want to check Carlisle tires for a comparison.
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Old 04-25-2013, 08:18 AM   #14
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I already had him put the tires on. One thing I do like, they were made Feb of this year. One thing I do not like, they are made in China. A little more research I have found they are a private label tire company, from what I have found, this means they are a "Name Brand" tire, relabeled and sold under this other name.
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