A/C Conversion from R12 to 134A Question

Swap meets are the best places, garage and estate sales the have mecanical stuff. Anytime you run into an old guy, ask him if he has any R12 around yet. Usually garage sales don't know what it worth. Not much demand at swap meets, so at the end of the day-you can usually talk the guy down.
 
Whatever you do, don't use this stuff that works amazingly well I have experienced.
This is a mix of propane, butane and isobutane.
About $4 a can. Takes about half as much as 134.
And it cools a lot better than r12, or 134, but not quite as good as straight propane. But, it works at less pressure than straight propane and a lot less pressure than r12 or 134.
And it's compatible with 134, r12 and whatever oil is already in there.
Yes, it's flammable. If you manage to fill the cabin with it and EXPLODE, it will blow out at least one window, but don't hurt the dummy, says my favorite European car maker that tested most everything.


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Can tap.
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Just keep in mind that the non-refrigerant grade stuff like that is good for a quick fix, but if you want long term use and don't want to increase the chances that you need to rebuild the entire system, just fork out extra for the proper refrigerant.
Only stressing this because I feel like this has the potential to become a "this thing is bad because i had problems shortly after i did it and totally not because i'm tight and took shortcuts" sort of issue.
 
Just keep in mind that the non-refrigerant grade stuff like that is good for a quick fix, but if you want long term use and don't want to increase the chances that you need to rebuild the entire system, just fork out extra for the proper refrigerant.
Only stressing this because I feel like this has the potential to become a "this thing is bad because i had problems shortly after i did it and totally not because i'm tight and took shortcuts" sort of issue.
Barbeque grill propane is some dirty dirty stuff. And not all that dirty dirty stuff in there is propane.
 
I was only joking. meant to be a king of the hill reference lol. But I don't think I've ever seen butane used as a refrigerant in any automotive (or any) cooling application.
 
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