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Discussion summary
YOUR RESEARCHTire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Reported or suspected cause
sun's uv
Reported cause
No successful repair reported for this finding.
1
Identified cause
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Suspected cause
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Reported fixes
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Reported cause
Usually tire degradation is caused by the Sun's UV.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Read full discussion summary
Leading evidence: 'sun's uv' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'sun's uv' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Replace soon' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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1
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Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Run on his track car
Suggestion or failed attempt
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Unsuccessful attempts
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Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
One of my techs took the two rear tire take offs to run on his track car because they were in such good shape.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Set 8 year time limit
Suggestion or failed attempt
No successful repair reported for this finding.
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Unsuccessful attempts
1
Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
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Suggestion
The state inspection authority has been discussing setting an 8 year time limit for tire age regardless of tread depth on all cars as part of the annual inspection cycle, and multiple Porsche dealers in the area that offer free state inspection to any Porsche owner have already set a max age of 10 years for the tires.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Set max age of 10 years
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
The state inspection authority has been discussing setting an 8 year time limit for tire age regardless of tread depth on all cars as part of the annual inspection cycle, and multiple Porsche dealers in the area that offer free state inspection to any Porsche owner have already set a max age of 10 years for the tires.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Set 8 year time limit
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
The state inspection authority has been discussing setting an 8 year time limit for tire age regardless of tread depth on all cars as part of the annual inspection cycle, and multiple Porsche dealers in the area that offer free state inspection to any Porsche owner have already set a max age of 10 years for the tires.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Set max age of 10 years
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
The state inspection authority has been discussing setting an 8 year time limit for tire age regardless of tread depth on all cars as part of the annual inspection cycle, and multiple Porsche dealers in the area that offer free state inspection to any Porsche owner have already set a max age of 10 years for the tires.
Tire Age - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Coverage and how to read this overview
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
986Forum: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T220748Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I've got 2012 Kumho's on my '98 Boxster and they still have at least 80% tread left. I know rubber degradation is a real issue, but there's no indication that's occurring, at least outwardly. What's the danger of driving in the city (under 45mph) with these tires? I do plan to replace them, but don't want to chance a failure that might damage the cars body.
Usually tire degradation is caused by the Sun's UV. If the car has been stored inside and, like you already mentioned, they show no signs of degradation, you should be fine. But really, it depends on your comfort level and driving. I wouldn't go on the highway with them. When you start seeing hairline cracks on the sidewalls, then you're seriously risking a blowout.
Edit: I just noticed you're in FL. Maybe you should get them changed. Sea air and heat also contribute to degradation.
I would be cautious with any tire more than ten years old, regardless of how it has been stored.
We recently had a customer with Continental tires just over 15 years old with 65-75% tread left on a car that is stored in an environmentally controlled and totally dark garage and rarely used. We recomened he change out the tires due to age during a state inspection, which he did for some new Michelins. One of my techs took the two rear tire take offs to run on his track car because they were in such good shape. About two and half laps in, both of the take offs failed, both throwing off their treads.
Age matters in tires.
True, but tracking is a whole different animal than city driving at 45 MPH. I did a PCA event and we had to make sure our tires were 3 years old or newer.
The state inspection authority has been discussing setting an 8 year time limit for tire age regardless of tread depth on all cars as part of the annual inspection cycle, and multiple Porsche dealers in the area that offer free state inspection to any Porsche owner have already set a max age of 10 years for the tires.
Formal tire age limits are coming...............
Thanks guys....I'll get them replaced soon. The car has been garage stored with a cover, but my motorcycle has been in climate controlled storage its entire life, and rubber stuff definitely deteriorates even in ideal conditions.
This is a source reference. Confirm exact model applicability in the original material.
