40 PSI and two blown tires in one week!
Also, someone keyed my car in between.
My tires are actually rated 36 PSI. I have only driven four thousand miles since purchasing the car and I increased the pressure to forty fairly recently. According to the second tire guy, the tires went out from dry rot, but there did seem to be some uneven wear, so I brought them down to thirty-six.
The first tire went out a few miles from my parents' house. I figure it would have gone out faster, but I try to maintain 55 MPH on level ground. The speed limit is 65 in many places, with two lanes.
The car sat in my parents' driveway, tempting miscreants, until I went to check the tire pressure before coming back down, when the valve stem blew.
Apparently, since I have a full-sized spare the first tire place just mounted the new tire and put it in the trunk.
The spare was at 12 PSI.
Maybe any other tire place would have put my second new tire in the trunk, but Wal-Mart was the only place open. They let me do it.
Crazy me, when I have dry-rotted tires blowing, I want new tires on the road!
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