Five year tire life is just as nonsensical as the 3000 mile oil change and parts-store recs on replacing spark plug wires. I've had my '59 for 12 years (I think) and I put the wide whites on there... purchased used so who even knows how old they are (should look for the code). I run 'em all until either the cords stick out or they blow. Never had a tire incident I can describe as scary. Extract the last mile outta them before they end up in the landfill.
^That herniated tire probably just has cord separation; I've had that happen too... don't know if it's a direct result of "over"inflation... I suspect age/mfg defects/a severe impact at some point play a part in it too. I will replace a tire with that too- they're simply too lumpy to ride on and it'll only get worse.
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