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Re: Aftermarket vs Factory A/C Comparisons
My 1970 Blazer which I am now restoring and haven't run in a while made me wonder the same question. Searching online I found and article by a person who restored car professionally. They were giving steps on how to adjust your POA valve or what one to use to make your old system perform like it did on R12 with 134a. If memory is correct R12 is supposed to be cooler. Anyway the computer crashed and I lost the article. I am sure you could search that and fined some info
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