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A/C refigerant options


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so my MJ doesn't have factory air but my parts truck does. its set up for r12 as its an '88. now I know I can get the o ring retro kit for r134.

 

BUT my main question is has anyone tried the "NEW" legal R12A refrigerant? its suppose to be a direct swap with r12. and have similar  COLDER properties to r12 than r134.  

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R12A is just a propane based hydrocarbon refrigerant (which means flammable).  If you search you will see people who either love it or hate it.  From what I know, it operates at lower pressures from R12, so following charge instructions for said refrigerant would be key to optimum operational efficiency.

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I was looking it up, doesn't sound like a half bad alternative, at a lower cost then a retrofit also.     and to branch off the flammable part, I think I read something about a 1300 degree flashpoint which I would think to be about double any expected temps anyways

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Funny you say that, I guess my conversion went very well because my cab does become an "ice box". I have to keep the blower fan on low, even in stop and go traffic in town. All new parts and flushing make a big difference...

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well i know that obviously, i guess my real question would be are the fuse/relay connections factory wired to work with the addition of the dash controls and equipment? or is there still intermediate control wires/connections missing

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