Yes, the pressure is usually stamped on the wheel, often on the inside (the part you can't see when the tire is mounted). Larry, I'm interested in how your tire guy decided that the higher pressure was OK when he couldn't see a rating.
The Goodyear Endurance 14" tires are are load range D, which means they can run at 65 psi. The old Goodyear Marathon 14" tires were load range C, which were limited to 50 psi. So you should check the wheel psi rating. And as Larry mentioned, you also need to tell your tire jockey to install bolt-on metal valve stems when the tires are mounted and balanced. Apparently the rubber valve stems don't tolerate 65 psi well.
Just as an after-thought - this might be a good time to consider changing to 15-inch tires. New wheels are required, of course.
Bill
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