It is my experience that R-12 is substantially "colder" than R134a especially on a retro fit vs factory R134 configs. R-12 can still be purchased but its expensive. It can also be found outside of the US fairly inexpensively. Not sure what the situation is up in CA. I also understand from the classic hot rod community that there is a direct type replacement for R12 called R-freeze or similar that works with R12 systems and keeps the "ice cold" effect of the R-12.
Doug
----- Original Message ----- From: VWSottnik@aol.com To: vanagon@yahoogroups.com Sent: Tuesday, March 09, 2004 4:34 PM Subject: [vanagon] Freon
In a message dated 3/9/04 7:51:56 AM Central Standard Time, vanagon@yahoogroups.com writes:
> Newer A/C systems no longer use Freon. They use a > refrigerant called HFC-134a. Some van owners have > converted their whole system to use HFC-134a, but this > is not a simple or inexpensive undertaking ($$$$). > > -Mike > > Mike, R-134 is still Freon. R-12 was a freon as well. Most home systems use R-22, which is also still a type of freon. Pete
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