Quote:
Originally Posted by eatont9999
I would not call R134a an "upgrade..."
You asked for advice and the best advice I can give you is to stay with R12.
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Excellent advice. It's easier on all the components, works better, does not leak as easily, and takes less power to run the compressor. 134 will work great 90% of the time, but come that hot, humid day when you're sitting in traffic, the 134 will fall on its face.