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How tires got this way?

 
Old 01-17-2019, 11:38 PM
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Dewayne4608
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Default How tires got this way?

Hey guys any idea why these tires look this way?

Is this from hard track riding. or driving these summer only tires in the cold?

Michelin Super Sport. These are the front tires..



Thanks for any input..
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Old 01-17-2019, 11:58 PM
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I would say track. Have you done an event recently?
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Old 01-18-2019, 12:12 AM
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Date codes?
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Old 01-18-2019, 12:12 AM
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Originally Posted by Marcho Polo View Post
I would say track. Have you done an event recently?
just bought car it was this way..
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Old 01-18-2019, 12:13 AM
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Originally Posted by xlr8tin View Post
date codes?
2815
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Old 01-18-2019, 12:26 AM
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Thatís not track damage. Track related wear shows up as discoloration (blue tinged) from heat generated, or clumpy look from the hot tread picking up existing clag and spent rubber on the track surface.

That look to me like sun damage, from being stored outside under the sun. Over time the rubber hardens and cracks from UV exposure.

This was on my new GS. Car was parked outside for nearly 2 years at the dealership:




The car car sat in the same spot for months and months (I know because I went by a few times to look and the car never moved), and this is the side where it faces the sun for an extended time (east) where by afternoon the car would be under shades. The tires on the opposite side has some cracking but not as bad.

When I bought the car I told them I wasnít going to drive the car off the lot (for that matter, PAY for it) unless they put brand new tires on it.

Last edited by The HACK; 01-18-2019 at 12:29 AM.
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Old 01-18-2019, 12:30 AM
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Great point. your dead on right... thanks man......
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Old 01-18-2019, 12:44 AM
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The HACK
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By the way, those tires are NOT safe to drive on.
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Old 01-18-2019, 12:51 AM
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The HACK - good catch.
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Old 01-18-2019, 09:33 AM
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Originally Posted by The HACK View Post
Thatís not track damage. Track related wear shows up as discoloration (blue tinged) from heat generated, or clumpy look from the hot tread picking up existing clag and spent rubber on the track surface.

That look to me like sun damage, from being stored outside under the sun. Over time the rubber hardens and cracks from UV exposure.
Just got home and looked at this on my laptop instead of my phone, and you are dead right.... I didn't catch the cracks down inside the tread.... initially when I saw it, it did remind me of my tires after a track event, but after getting home and looking at those pics, it's a lot different, the direction of the wear is not the same as what is in this pic. But yeah, those cracks down inside are from being old and in the sun.

here is my tire after a track day...



completely different now that I am home to compare....

so like the Hack said, this is from age/sun, not driving in cold or track time.


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Old 01-18-2019, 10:20 AM
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Likely old tires that have seen summer and winter temps outdoors a few times. I assume the car has low miles?
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Old 01-18-2019, 10:29 AM
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I knew you guys would know thanks all!!!!
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Old 01-18-2019, 10:51 AM
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Originally Posted by The HACK View Post
Thatís not track damage. Track related wear shows up as discoloration (blue tinged) from heat generated, or clumpy look from the hot tread picking up existing clag and spent rubber on the track surface.
clumpy is a good way to describe the pickup seen on tires after a track day.

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Old 01-18-2019, 01:23 PM
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When we bought my wifes car the dealer replaced the P-zero's because they were cracking. The car sat on the lot over a very cold winter. The tires looked just like yours.
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Old 01-18-2019, 01:51 PM
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Originally Posted by JMII View Post
clumpy is a good way to describe the pickup seen on tires after a track day.
Boogers.
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