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Old 04-27-2015, 06:10 PM   #57
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LT Tire survey

Switched to LT's a few years back but kept them 15". (LT 235/75R15 HNUL BN4X 2211 104/101R). Since then they've seen Nova Scotia and PEI on the east coast and Yukon and Alaska on the west coast. They seen some pretty rough roads but I haven't had a problem with them and they hold their pressure extremely well. I've added TPMS to monitor pressure and temperature just as an extra measure of safety.

One question I have is what are the advantages of going to 16" wheels?
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Old 04-27-2015, 06:22 PM   #58
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Originally Posted by Hans Grim View Post
Switched to LT's a few years back but kept them 15". (LT 235/75R15 HNUL BN4X 2211 104/101R). Since then they've seen Nova Scotia and PEI on the east coast and Yukon and Alaska on the west coast. They seen some pretty rough roads but I haven't had a problem with them and they hold their pressure extremely well. I've added TPMS to monitor pressure and temperature just as an extra measure of safety.

One question I have is what are the advantages of going to 16" wheels?
Better tire selection and higher payload ratings.
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Old 04-27-2015, 08:43 PM   #59
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Originally Posted by SteveH View Post
I'm probably the only guy that has had a failure with an LT tire. It was a LT225/75X16E B.F. Goodrich Commercial TA, (Discount tire told me they were just as good as Michelins) about 2 1/2 years old with about 30,000 miles on it. Seperated at 60mph and did $2000 damage to my trailer.

I then replaced all them with Michelins and have not had any more troubles, but this was last summer so don't have hardly any time of miles on them.
BF goodrich commercial had two sizes recall for seperation made between 2010-2012
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Old 04-27-2015, 09:32 PM   #60
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Quote:
You might wish to read up on the stresses on tandem axle trailer tires. The use of the Load & Pressure Tables isn't proper in this instance. See Tireman9s blog.
Actually you should ALWAYS use the load and pressure table in any application. I looked for an excellent reference website on this topic that I found last year but could not find it to post- yet. The summary of the article described truck trailer, towing, and RV applications. The author described using a temperature monitoring system to fine tune the correct air pressure for any tire. He said to use the chart for a starting point, then watch the temp. I do not remember the temperature ranges that he gave but he mentioned that fast temperature rise indicates too low a pressure and weakens primarily tire sidewall; however, he mentioned that if a tire is running cooler than average operating temp (need his chart) that it weakens tire surface area/tread- too much pressure for application. He spoke quite a bit about tire contact point and adjusting for and external difference using averages for other tires (sunny side, etc.). I hesitate using the maximum pressure. Since my post some months ago, I have done more fine tuning of my own tires and am currently at 54psi. When I find that article and temp chart I will post it.

Quote:
I believe that the 16" tires should have a lot more air pressure..I looked at the michelin site and it was hard for me to read but I think I saw. E 2680 @ 80, 2560 @ 75 and 2440 @ 70 lbs air pressure, it didn't say nothing about 45 lbs...
Actually the Michelin chart has nine PSI/weight ratings on the chart. 225/75/16E

PSI 40 45 50 55 60 65 70 75 80

3300 3580 3880 4120 4380 4670 4880 5120 5360 (per axle)
Max load and pressure each tire--------- 2680 LBS at 80 PSI

Remember too that the E rated tire is a much heftier tire than a D.

Quote:
I ordered a 2015 25' Serenity this week and asked my dealer to get a quote from AS to upgrade to the 16" wheels/tires combo. They quoted me $1,700 to upgrade. That seems crazy to me. I would have expected maybe 700.00 to swap out the 15 for the 16's. Anyone else have experience with AS on this topic?
Not Airstream but as others have stated, it costs about $1200 to buy it and do it yourself. I got the tires from Sams and the wheels from a local wheel shop (Sendel)and then got them load balanced- all for about $1300. The main reason to go with 16" is that most tires are in that size versus a few in 15".
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Old 04-27-2015, 10:10 PM   #61
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Forgot a point that I was told regarding michelin tires. One salesman shared with me (for what it is worth) that the M/S 2 and Rib were very similar tires but the rib was designed to be retreaded.
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Old 04-28-2015, 02:24 AM   #62
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Note: The Michelin LTX MS/2 and XPS Rib, in size 225/75x16, are load range E tires (10 ply rating), and both have three steel belts under the tread. However, the LTX MS/2 has two actual body/casing plies of polyester while the XPS Rib has only one, which is steel. The LTX MS/2 weighs 38 pounds, and the XPS Rib weighs 49.
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Old 04-28-2015, 01:07 PM   #63
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Tires for commercial applications are going to be the "best" so far as reliability is concerned. But they are heavy and the most expensive.

Switching to 16" LT with a 120 or higher Load Index means 80-psi for greatest sidewall stability on a trailer tire. Where the Load vs Pressure Table does not apply. ST tires appear to have the better price, max pressure and easy fit. It isn't as easy to match up LT.

At the least, an LT should have a tread width a close match to the wheel rim width. And, IMO, a closed shoulder tread design. Avoiding what we've called "tread separations " and what the tire engineers call "interply shear" taking its toll.

I just watched a neighbor leave with a 2002 model Mobile Scout 5'er of pleasingly short length. But the truck height puts the load unequally on the rear axle of the tandem. So, as he made a near 90 degree turn out of here one doesn't need much imagination to envision how those GYM rear tires looked. I can't say they were at best practice full pressure, but those tires were close to being ripped off the rims.

Bad practice with better tires isn't much of an improvement.
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Old 04-28-2015, 02:43 PM   #64
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16" Wheels and LT tires

As I am more into safety and tire reliability, I am in the game now for 16 inchers on my Serenity. Just ordered a set of
16" 6 Lug LH1 Black Hi Spec Aluminum Trailer Wheel

And, these folks state I will have them on Thursday, today being Tuesday. Then I have chosen the Firestone Transforce HT LT225/75R16 E to be mounted by my favorite local dealer.

Pricing is $682.95 Tires, $544.00 Wheels, total of $1226.95 mounted, balanced, total.

As they sell this tire almost daily, my tire dealer has my size in stock. Their experience is that Michelin is no better tire.

Will give an update when I return from my 2700 mile trip up north in a couple weeks.
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Old 04-28-2015, 03:16 PM   #65
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As they sell this tire almost daily, my tire dealer has my size in stock. Their experience is that Michelin is no better tire.

Will give an update when I return from my 2700 mile trip up north in a couple weeks.
That's almost word for word what my tire dealer told me about the BF Goodrich Commercial T/A. Hope you have better luck than I did.
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Old 04-28-2015, 03:27 PM   #66
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That's almost word for word what my tire dealer told me about the BF Goodrich Commercial T/A. Hope you have better luck than I did.
How is better defined? Reliability and durability? If so, I agree. As some of you know, I have the opportunity do drive a lot of new vehicles...up to 15 - 25K...as company assigned demos. What I do think, by the seat of the pants, is Michelin is superior in wear, soft ride, and consistently round tires (meaning no, or very little run out).

This is also verified by my interaction with customers with warranty concerns relative to tires. I just don't get complaints from Michelin relative to waddles, vibrations nor unexpected premature wear out.

There are a lot of good tires out there. 95% and 100% are both A grades, but one is a higher score. Michelin consistently scores higher in my tests.
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Old 04-28-2015, 03:47 PM   #67
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What Discount Tire told me was the BF Goodrich was just as good as the Michelin, and was made by Michelin.

However, BF Goodrich is NOT made by Michelin, it is owned by Michelin....big difference. That's like saying a Chevrolet is made my Cadillac.

My friend and I bought 8 BF Goodrich Commercial T/A's at the same time, and four of them failed by separation in two years.
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Old 04-28-2015, 03:47 PM   #68
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Originally Posted by Msmoto View Post
As I am more into safety and tire reliability, I am in the game now for 16 inchers on my Serenity. Just ordered a set of
16" 6 Lug LH1 Black Hi Spec Aluminum Trailer Wheel

And, these folks state I will have them on Thursday, today being Tuesday. Then I have chosen the Firestone Transforce HT LT225/75R16 E to be mounted by my favorite local dealer.

Pricing is $682.95 Tires, $544.00 Wheels, total of $1226.95 mounted, balanced, total.

As they sell this tire almost daily, my tire dealer has my size in stock. Their experience is that Michelin is no better tire.

Will give an update when I return from my 2700 mile trip up north in a couple weeks.
I have quite a few miles with Transforce HT's on one of the horse trailers. I run this trailer loaded between 12,000 and 14,000 lbs, and I don't limit myself to just 55mph, if you catch my meaning. These tires have worked flawlessly.
Good choice, IMO. And, yes, this tandem axle trailer gets spun around in tight circles at times in parking situations. It's just the nature of where I have to go with this rig. They have taken the abuse and just keep on rolling.
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Old 04-28-2015, 04:19 PM   #69
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My experience with tires is ,there are no bargains out there,it seems that you always get what you paid for,even with michelins on our Buick ,they started coming apart after 6 years......
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Old 04-28-2015, 04:38 PM   #70
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Out of curiosity I just measured my tires and rechecked the mileage ,the trailer is 2 years old with 15" gym's,with 16000 miles each tire is 8/32 of 10/32 when new,measured in 2 places 180 degrees apart,65- 70 lbs air rotated every 5000 miles or so....so far so good.....
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