General tire question

Discussion in 'General Automotive Discussion' started by the_stig, Jul 28, 2009.

  1. the_stig

    the_stig F1 Rookie
    Silver Subscribed

    Sep 19, 2005
    Am I correct in thinking that street (non-performance) tires with plenty of tread depth can lose their grip through age / hardening? I've always believed, without knowing if this is really correct, that tires become "work hardened" through many many cycles of heating and cooling. Is this correct?
    I feel stupid asking this as I'm pretty sure I know the answer, just looking for confirmation.
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    SSNISTR F1 Veteran

    Feb 13, 2004
    Old tires that become hard etc DO lose their grip and bite. Why many replace tires with good tread just due to age.
  4. kosmo

    kosmo Formula 3

    Oct 19, 2008
    BIg D
    isnt the rule of thumb to replace every 7-8yrs regardless of mileage?

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