Not meaning to hijack your original question, but it is very much related...

Does the Sanden work well with R12?

I have been reading about the converstion kits for the Sanden, but I don't recall what type of freon they were going to be using.

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1984 300D 398K-daily driver
1998 Honda Accord 102K -wife's daily driver
1991 Volvo 740 289K
2000 Toyota Corolla 143K