Tom, those numbers are very close to what I got today after adding 2-12 oz cans of 134a. I had 32 on the low side and 220 on the high side but the outside temperature was about 5 degrees lower than yours and that will lower the pressures a little. My dash vents were blowing about 60 degrees. Before adding the 134a my dash air was blowing 80 degree air.
Richard, your ambient temperature should have been close to mine so you do have an issue with that 325 psi high pressure reading.
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