I tested my pressures yesterday, it was fairly hot (high 80s) and after about an hour of driving with AC on and off. (I'm running r134a currently and at 80% of the weight of the r12 that is specified for my car.)

In my driveway will all windows/doors open and AC on max the pressures read at about these values - slowly going up and down within these ranges:

LOW: 37-40
HIGH: 280-295

With High side peaking once at 300 before dropping down into that range listed above.
I'll see if I can pull and test my evap temp sensor.

I feel like my compressor has a bit of a very slight grumble/grind in the moaning noise - but I know it has somewhere around 7 ounces of ester oil and that nothing has leaked since I installed.

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Andrew
Montclair, NJ
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1982 300D Turbo
120k
Petrol Blue Green