eric Posted December 2, 2001 Share Posted December 2, 2001 Who knows when a tyre get old ? and lack most of it grip 2, 3 or more years ? There is, I think on each tyre the month and the year of the manufacture Thanks for all your advises Link to comment Share on other sites More sharing options...
Tony Martyr Posted December 4, 2001 Share Posted December 4, 2001 Deteriaton depends upon storage conditions and use. Ultra-violet light is the main cause of non-wear deteriation. Tyres kept in good low light conditions 20 degs C and either regularly rotated or kept off the ground last for years without lossing elasticity etc. Park them in an alpine car-park in July for two weeks and they will be weaker and less able Link to comment Share on other sites More sharing options...
Simos Posted December 5, 2001 Share Posted December 5, 2001 Rule of thumb in the motoring press etc is tyres should be replaced after 5 years regardless although Tony's points should be taken into account. Personally I had some 7 year old tyres which I took out for a spin after they'd been sitting in a garage for 4 years. They worked ok, I didn't fall off the road or anything but I went to brooklands and did about 100 donuts, so many I had to stop 'cos I couldn't see for smoke. I then inspected the tyres and could see little difference ! I junked the tyres... Simon. Link to comment Share on other sites More sharing options...
eric Posted December 5, 2001 Author Share Posted December 5, 2001 Your two points of view are very interesting. I suppose that the rubber is becoming hard around 5 years and it can be dangerous with a such light car. The way of keeping them in a good shape is also important Link to comment Share on other sites More sharing options...
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