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Race Tires: How old is too old?

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Old 10-15-2009, 02:44 PM
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Biggus Blockus
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Default Race Tires: How old is too old?

Let's say you had a set of Kumho V710s that had never been mounted -stored in a tire shop for say - 2 years. How much drop off in preformance would there be if they just sit - never having been heat cycled ? How many more years would they still be 'good" figuring 5-8 events per year once they are put into service?
Old 10-15-2009, 06:28 PM
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66IISS
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Old 10-15-2009, 07:36 PM
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WBHighwind
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Well, Ive heard 2 years from stamped date on the tire is about as long as you wanna go. Others on here prolly have more experience with this subject though. I do know a guy who had a R6 come apart on him at full speed coming down the front strait at TWS in a C4. It ruined the left rear quarter and took half the rear fascia with it.

I have some R6s that are about as old as that but I plan on using them for autox only just to get some last little bit of life out of them.
Old 10-15-2009, 10:08 PM
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petefias
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I had an old Hoosier seperate (bubbled up) when pushing it hard. Felt the vibration, pitted in and "saved the day".
Old 10-15-2009, 10:40 PM
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Bill Dearborn
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When I was buying new 710s from Tire Rack they were sending ones that were at least two years old. I would get about 12 track days and 15 or so autocrosses out of them before I started to think about replacing them.

Bill

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