I'm still working on my Alfa A/C rebuild and am considering using pipe dope as a thread sealant. I've also seen good reviews of this. Viper Nylog and thread sealant. What's your preference? Pros and cons of both?

I'd like to know what kind of pipe sealant is used on auto a/c fittings that are NPT and NPS? Would pipe dope be used?

I do; I measured them. I can give Tim at a/c kits a call on Mon. I'm new to this trying to tell an NPT apart from an NPS connection. The green switch high pressure appears to be an NPT connection, because it screws in without an O ring and seems to taper slightly at the end. Would NPS connection alw...

I know this is an out there question, can I cut open an accumulator and reseal it with new desiccant?

I'm in the process of getting my classic car's a/c up and running after years of not using it. Its a 1983 Alfa Romeo-GTV6. Its all original US Spec. York Compressor. Kenmore KMP accumulator. I'm replacing the accumulator and switches because they're old and I can't get the old switches to fit on a n...