I can see the pressure hose getting that high. It is the same source as the mechanics use for their air tools. But as on person wrote, I'm surprised that they didn't fail.
But it does remind me of a story my BIL (Tim) told me. Whe he was younger he worked in a service station. A lady Ina road trip pulled in for gas. Since this was a full service station she also asked him to check the tires. Because the weather was cold that day he didn't really want to do it. Anyway, he came up with a story about how his station didn't have winter air. They only had summer air. If summer air is used during the winter the tires could go flata few miles down the highway. But if she went up the road a a short ways there was another service station that did have winter air. The lady driver was very thankful for the helpful information andd proceeded on her way. A few minutes later Tim got a phone call from his buddy at "the other service station".
"what the h)$$ is summer and winter air?" Both had a good laugh over it and still do.
:facepalm::twitch::fish:
