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Old 10-08-2019, 10:50 PM   #311 (permalink)
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petty low rolling resistance without the steel belt and treads.

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Old 10-10-2019, 09:47 AM   #312 (permalink)
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Wow.

That tire sure was nice to fail in such a way on your driveway.

Doing that on the freeway would be the pits.

This summer I had an alarm go off on my Mazda3's tire alarm system. So I stopped and found that all four tires were fully pressured. A puzzle. So, I ran my hand over the treads and found a big bubble on one of the tires, probably getting ready to do what yours did.

I was lucky because my car's tire-warning device is not alerted to the pressure. It's alerted to a rolling-speed differential between the tires as reported by the anti-skid braking system. The damaged tire was rolling at a different RPM than the others due to the circumference changing because of the tread fault.

Sometimes luck trumps everything.
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Old 10-10-2019, 10:50 AM   #313 (permalink)
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Yes, and it's a good thing I never take the freeway!


That is very cool about your tire pressure system. I don't know much about them, but assumed they were all just a PSI monitor.
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Old 10-10-2019, 11:14 AM   #314 (permalink)
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Yeah, I believe most tire alarms are psi-based. In fact, I "think" I read that the newest Generation 4 Mazda3s have gone to that system, which is probably the more popular system.

I like my Generation 3's system because it works quite effectively in reporting low tire pressure and, as in my example above, even some tread faults. Another advantage is that since it incorporates no tire pressure device on each tire, there's nothing to change out when new tires are installed.
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Old 10-10-2019, 11:38 AM   #315 (permalink)
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Quote:
Originally Posted by MeteorGray View Post
Yeah, I believe most tire alarms are psi-based. In fact, I "think" I read that the newest Generation 4 Mazda3s have gone to that system, which is probably the more popular system.

I like my Generation 3's system because it works quite effectively in reporting low tire pressure and, as in my example above, even some tread faults. Another advantage is that since it incorporates no tire pressure device on each tire, there's nothing to change out when new tires are installed.
As someone who used to work in a shop and change a lot of tires: That's awesome, TPMS sensors are a pain in the neck to deal with when changing tires. And then calibrating them can be terrible too: Ford's are easy if you have the pairing remote, but GMs (as of when I worked there) you had to do a procedure to start the pairing, and then you let the system know which tire was which by either adding or draining air from the each tire for ten seconds.

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