Duntov

I'm going to 134a on my 70 and not sure if should stick with the POA valve or doing the retrofit kit. I'm looking for input from those that either kept the POA valve or did the retrofit kit.

The entire system is new except for one hard line that I have to clean.

Should I stay with the POA system, who rebuilds the valve?

chevymans 77

If it was me I would stay with the POA valve, it will cool better at the full range of RPM's that a vehicle sees.

Neal

bsblguy

Classic Auto Air in FL rebuilds the POA and calibrates to 134. I tried the kit to replace it on my GTO and never could get it to work right. With calibrated POA it works as well as any new car.