At 12:32 PM 6/18/2003, Geo Hahn wrote:
>any big deal... he suggested it to save me $$$ over R-12 and because he
>heard it was superior to 134a.  I think it was the first or nearly first
>time he had used it -- I doubt he had to acquire any special equipment
>or knowledge to do it.  No change to the fittings on the car.  Now in
>its second summer and still cools (high here in Tucson  yesterday was 106).

For Freeze 12 the high-side fitting needs to be replaced with a 7/16", 14
tpi, LH fitting, and the low-side with 1/2" 18 tpi RH.  The label must have
a yellow background.

http://www.epa.gov/ozone/snap/refrigerants/fittlist.html
http://www.epa.gov/ozone/snap/refrigerants/macssubs.html

--
David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"