Quote:
Originally Posted by Beach Boy
With a six year old spare in good shape, you better have road side service which will respond to RV calls. I worked for BFGoodrich for 8 years as a Product Service Manager. A six year old tire is an unreliable spare but it might get you to the next exit if road service is not available.
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This is
very true.
The spare tire has not been "worked" or exposed to the Sun. It won't show UV damage on the surface but the real problem lies beneath the surface, where the tires are laminated.
Tires need to be worked once in a while to keep the vulcanized rubber "Healthy". That's why it is unwise to buy "New" tires that have been sitting on the shelf for years (just like your spare has been doing).
I rotate my tires every 3-6 months (including the spare). That way, I don't end up with a 4-year-old tire, that has never been on the ground, to rely on in the event of a flat tire.