Model: Trans Am
Engine Size: 455
Refrigerant Type: 134-A
Ambient Temp: 82
Pressure Low: 43
Pressure High: ???
Country of Origin: United States
I need help with my Trans Am.
I bought the car already converted with new hoses and looks like a new VIR.
It had a leak which I fixed, then I evacuated it for 1 hour, and let it sit for an hour.
The system holds 3.75lbs of R-12 so I put in a little over 3lbs of R-134.
On a 80 degree day my center vent got down to 58.
The low side pressure was mid 40's.
I couldn't get the high side reading.
Every time I tried, my high side coupler would leak.
Shouldn't this system cool more than 58 degrees?
yes. Should cool down to mis 40's. Should have left it R12. Vir's unless you can get a hold of the POA that is actually an adjustable ERP, are calibrated for R12.
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