Quote:
Originally Posted by sammyg2
this whole replace tires when they get a certain age thing reminds me of the 3000 mile oil change.
Which, BTW, was developed by the JIFFY-LUBE marketing department as a way to increase revenue and sell more oil changes.
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The rubber in tires will continue to cross-link via disulphide bonding whether it is exposed to oxygen, sunlight or what have you.*
“Deleterious changes occur in tire properties after storage at ambient temperatures for five years or after use on cars for similar periods.” T. Kataoka, P. B. Zettterlund and B. Yamada, Rubber Chem. Technol. 76, 507 (2003).
- cited in The Pneumatic Tire, DOT HS 810 561, Feb. 2006, Chapter 2
EVO magazine found that the winner of one of its tire tests performed worse than the last-place tire when a one-year-old example of the winning tire was mounted up and tested against the rest.*
Tires Expire in Six Years - Tire Safety Group