Will Do!
Thanks for the tip and Your time!
-jeff

Bought the late model tube style POA with pressure switch. Ive been screwin with the pressure adjusment but still get the cycling /surging at about 1000-1500rpm. Now 48-35 psi. Air plenty cold still. Seems backward that the pump cycles on when pressure gets high.

Reman Four Seasons A6 and got the new lines and 134 poa and exp valve from ClassicParts. I dont have good gauges but the free gauge on the refrigerant cans shows 48-22psi when kicks on/off. Truck sat for years and all freon was leaked out, decided to do update cuz R12 scarce in Cali. Im afraid of hy...

Air is cold but motor surges while driving. Just replaced lines and compressor and updated to 134. got most of the old oil out but some remained in the condenser. I added 7oz of PAG, new compressor stated that it already had 3oz. I assumed that at least 1oz remained in the system. 7+3+1=11oz. at idl...