In article ,
Geoff Schultz wrote:

Why don't you convert you R-12 system to R-134A? Many systems have been
converted? The fact that you're aware of the price of R-12 indicates that
your system leaks. R-134A is as cheap, or cheaper, than R-12.

Yea, NOW at todays Prices for R12..... But it is many more times as
expensive than R12 was, when the "Greenies" forced it off the Market.....