Re: 1971 c10 coverted to R134 pressures too high?
Replace with a new A6 aluminum compressor. Replaced all lines with new. New dryer. Flushed evaporator and condenser. Recalibrated POA valve for r134. Have a little.more then 24 oz of refrigerant. Only things I reused was the POa, expansion valve, evaporator and condenser. Hoping the oil just needs to be distributed through the system and the pressures will come down. But I'm gonna try a differnat set of gauges to make sure.
Thanks for the help everyone.
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