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Tire Dry Rot, PZeros

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Old 12-20-2017, 07:15 PM
  #31  
gearboxtrouble
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That's nuts. How is this even possible with fairly new tires? You must have gotten a really bad batch or something. I moved to the Michelin PS4S (non N0) recently and they're a step up in terms of road noise and ride comfort. Glad I ditched Pirelli after seeing these pics.
Old 12-20-2017, 07:41 PM
  #32  
dog bucks
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[QUOTE=CarreraFahrer;14675218]dog bucks, on the side of the tires is a DOT ..

Will check that tomorrow, been away on business....thanks.
Old 12-20-2017, 07:45 PM
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dog bucks
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Originally Posted by sctanton52
Both my 981 and an SLK55 had P-Zeros from the factory. Both rears lasted about 10K (Miles not Km). I no longer own the SLK, upgraded to a 2017 991.2 TTS Cab last year. It also came with P-Zero but they will be changed over to Michelins before next summer. I just went out to the garage and had a close look at the 981’s P-Zeros. The originals are still on that car, they will also be changed out before next summer. Right now all the Sports cars are in winter hibernation mode. The 981 is a 2013 model, tire date codes are all 1713. Other than just over 10K miles of tread wear I see no signs of ‘dry-rot’ like the OPs pictures show. So that car is also a low yearly mileage vechicle, at about 2500.
Primary areas of Rot are within the tread tunnels, hard to catch. Mine were found when the car was up on a rack....hope you're clean.
Old 12-20-2017, 07:52 PM
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Appreciate the idea....I did try three PDealers including the one that CPO'd it.... with same response....call Pirelli. It gets to a point where it's just a total time suck....which is probably the plan.
Old 12-20-2017, 08:47 PM
  #35  
sctanton52
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Originally Posted by dog bucks
Primary areas of Rot are within the tread tunnels, hard to catch. Mine were found when the car was up on a rack....hope you're clean.
I’ll try and take some high-res photos, and post them. I looked at the tires as best I could with a bright LED flashlight. But I will have another look tomorrow, after a clean. Not sure if it will help or not, but I’ll give it a go.




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