I installed all new components for the AC system on my 73 corvette and pulled a vacuum on the system. After pulling 29" of vacuum I shut off the low and high side valves on the AC manifold gauge set and then shut off the vacuum pump. The system dropped down to just over 15" in about five m...

I appreciate everyone's responses they all are very helpful.

Thanks

Hello everyone I am new to this forum and hoping for a little guidance from someone who knows a lot more about the AC system on my 1973 Corvette than I do. I have replaced all the components in the AC system with stock components (Condenser, Evaporator, VIR, hoses and compressor). The compressor is ...