Richard Welty wrote:
And this is still not legal in all states... some specifically (and stupidly) ban hydrocarbon refridgerants. In theory you are also supposed to change the oil to R134a compatible oil. Not sure why as HC12 and it's equivalents are perfectly compatible with R12 mineral oils.http://www.autocool-refrigerants.com/ http://www.duracoolky.com/ to be legal, you do a "134" conversion by changing the valves over, and then charge with the duracool or autcool stuff. the valves are relatively inexpensive.