here's an investigative report by an american news channel :

http://abcnews.go.com/Video/playerIndex?id=4826897

Ok, the tone is a bit too conspiratorial (complete with a crusading lawyer) but i do keep reading in the net that ~6 years is just about right. Reading the manufacturing date is pretty straightforward actually.


The take-away/ lesson on this one is check when buying tires, and chuck out tires even with lots of treadlife if it's too old. (Heck, even my GT champiros have signs of dry rot * 3 years from the DOT date. Michelin XM1s at same age looks fine tho.)

It's a somber, somber lesson to learn dahil buhay ang nakataya