lol...no posted by aliaZ on September 02, 2008 at 11:36 PM
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The parts of the systems themselves are compatible, but the fittings are not, as I described in my post above. Also, I think there are some R12 substitutes that may be more similar to R12 than R134a. Freeze12 comes to mind off the top of my head but I think there are others. The local Tires Plus here has R12, so I just use that ;-)