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A recent answer included this:

Actually rocks in tire treads can be life threatening, if they gradually cut through the rubber and eventually cause a blow-out, and you don't usually get any warning about rocks in tire treads, unless you look for them regularly. Source

The last sentence about not getting any warning is false, a rock in a tire tread sounds like winter tire, but with only one stud in it. I suppose if you have the music really loud, or no exhaust, or something there could be a scenario where you didn't hear for a long time. But usually you know there are there, in my experience they have normally cleared themselves in a 100 miles or so.

I Googled and found a couple of pages about common flat issues and a rock in the tread is not mentioned.

Could a rock stay lodged in the tread, for a really long time and cause a blowout?

James Jenkins
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Cant say its 100% impossible but i find it very unlikely. I say this because the centrifugal force is constantly pulling it out and the force pushing it in by the road isn't going to be straight into the tire. This will wallow out the hole its in and throw it from the tire. Takes alot to cut through the steel bands on a tire

DatsunZ1
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