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Old Mar 26, 2015 | 05:11 PM
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Default Tire Issues

OK, been gone from the forums for a long time. Glad to be back. Took a journey to the dark side and bought a Shelby. A beast, but not my thing.

Now, I have this new Z with 3900 miles and it blows one rear tire and the other is about to blow. had to buy new tires. So before you all start bashing me about smoking the tires, this is not my first rodeo. I don't need to spin the tires and that isn't the problem. One track of the tire, the second one in from the edge just wore out and delaminated on one side and is about to wear out on the other. The rest of the tire is ok. inflation wasn't the cause. I watched that. I am going to try and get some relief from Michelin.

next thing was nobody, not even Michelin has the tires. Went with the only two PS2's left in the country this side of San Diego. Anyone else seeing weird tire wear on the rears?
Randy
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Old Mar 26, 2015 | 05:19 PM
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That's what the warranty is for. It's pretty obviously a manufacturing defect.

Also, Tire Rack has had them in stock reasonably consistently (as it does now)
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Old Mar 26, 2015 | 05:32 PM
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Originally Posted by occar
That's what the warranty is for. It's pretty obviously a manufacturing defect.

Also, Tire Rack has had them in stock reasonably consistently (as it does now)
Thanks. Lets hope it is as easy as that. Also, Tire Rack didn't have any yesterday. Neither did Discount Tire. And neither did Michelin.
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Old Mar 26, 2015 | 05:40 PM
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Humm im with you. Mine have done the samething. Rears only. Name:  image-44834619.jpg
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Old Mar 26, 2015 | 06:29 PM
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Christ I hate runflats. It's bound to make these tire run hotter due to the weight/construction.
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Old Mar 26, 2015 | 06:35 PM
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Wow! That sure looks like something that should be warrantied. Other than a defective tire, how could that damage possibly occur?
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Old Mar 26, 2015 | 08:34 PM
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We're these tires frozen at some point during shipping?
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Old Mar 26, 2015 | 08:39 PM
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Originally Posted by BOBSZ06
We're these tires frozen at some point during shipping?
Mine were not frozen. I got car on Dec 4. It was then put in my heated garage. Has been out in some cold track days though.

Wonder if GM will do something about them. Seems like that second section of tire is extremely flaky rubber. It comes off in pieces. Rest of tire looks good.
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Old Mar 26, 2015 | 09:16 PM
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Originally Posted by BOBSZ06
We're these tires frozen at some point during shipping?
That is a good question. They maybe were not frozen while in the op's possession, but who knows from the time it left the Michelin plant. Would they be shipped in heated trucks? Either way, GM should replace those tires, it's bizarre that they would wear like that.
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Old Mar 27, 2015 | 07:32 AM
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Originally Posted by LT1xL82
Wow! That sure looks like something that should be warrantied. Other than a defective tire, how could that damage possibly occur?
Those pics are ugly. Got to be a defect in manufacture.
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Old Mar 27, 2015 | 08:16 AM
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Can be big safety issue!!! With so few miles that should not be happening. GM will take responsibility to get with Michelin since that is GM who sold you the car.

Not good at all! Never saw that with Pirelli tires but those are different...

That said, looking at the pictures, it looks like that the tires have reached their end of life since you should usually replace them before touching the test marks.

So the question is more on why that after so few miles? Did you do some burn out???

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Old Mar 27, 2015 | 08:53 AM
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it seems to me that 3900 miles is allot on tires if it is tracked ?would it be normal wear and tear in that situation.
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Old Mar 27, 2015 | 11:07 AM
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Originally Posted by racezx9
it seems to me that 3900 miles is allot on tires if it is tracked ?would it be normal wear and tear in that situation.
agree!
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Old Mar 27, 2015 | 12:41 PM
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I was told by 3 different sources that most all of the larger tire CO's that everyone was out of stock of the rears and they are on a nationwide back order. I even had a local tire shop owner get snippy with me about that he could get them not matter what. So I go over there and have never seen someone have to eat so much crow I thought he was going into shock. Hey if you can find them, that's great. I just don't know where. BTW this same owner said that he could mount and balance them, no problem. Then when he actually saw my car he just started shaking his head no. Geeez. I told him what I was driving. I think these guys just want to get you over there and try to sell you something else. Bait and switch maybe?

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Old Mar 27, 2015 | 12:50 PM
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I just ordered a set of these from Tirerack today. I'll have them around April 23rd. grrrr

Sure hope mine don't do that. Very weird.

Cups on the rears PSS on the fronts anyone?
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Old Mar 27, 2015 | 12:52 PM
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Originally Posted by Thomasmoto
I was told by 3 different sources that most all of the larger tire CO's that everyone was out of stock of the rears and they are on a nationwide back order. I even had a local tire shop owner get snippy with me about that he could get them not matter what. So I go over there and have never seen someone have to eat so much crow I thought he was going into shock. Hey if you can find them, that's great. I just don't know where. BTW this same owner said that he could mount and balance them, no problem. Then when he actually saw my car he just started shaking his head no. Geeez. I told him what I was driving. I think these guys just want to get you over there and try to sell you something else. Bait and switch maybe?
MOST tire shops have NO CLUE as to how big the tires are, nor the size of the rims and care needed to unmount/remount. They are used to dealing with mommie-mobiles and wanna-be racers (ricers) and the relatively lower specs.

To really have someone understand tire sizes, need to be dealing with a race shop and/or off-roading shop. They tend to have the understanding and equipment.
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Old Mar 27, 2015 | 12:53 PM
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Originally Posted by phantasms
I just ordered a set of these from Tirerack today. I'll have them around April 23rd. grrrr

Sure hope mine don't do that. Very weird.

Cups on the rears PSS on the fronts anyone?
With all the tire warranty issues Michelin can NOT keep up with the demand
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Old Mar 27, 2015 | 01:44 PM
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Originally Posted by phantasms

Cups on the rears PSS on the fronts anyone?
Tire manufacturer specifically says "don't do this!"
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Old Mar 27, 2015 | 04:41 PM
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so these are the super sports in the 1st pic that delaminated or the sport cup 2?
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Old Mar 27, 2015 | 05:47 PM
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Originally Posted by dvandentop
so these are the super sports in the 1st pic that delaminated or the sport cup 2?
Looks like MPSS's to me, in which case they're probably getting too hot on track and delaminating. Which they shouldn't do!

Further, the MPSS normally has excellent longevity, so these should be covered under warranty IMHO.
Bish
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