LarryBible, you mentioned earlier about taking a test on the web to get certification to legally purchase R-12. Where is this site and more importantly where can you purchase R-12 ? I casually asked at one of the local parts houses recently and they told me it's not available for sale.

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1991 300SE (my ride, 279,000 miles, looks almost new
1954 Cadillac (21 yo son's car, he bought when age 15)
1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit)
1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)