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Re: A/C Retrofit Questions on 1985 Cav Wagon
As an alternate the system could be repaired (it leaked out for a reason) and refilled with a refrigerant blend. I have a 1986 Trans Am which was an R-12 car which lost its seal. After a pair of new hoses I refilled it with R414B (tertiary blend) and haven't had issues. It cools far better than R134 in converted R12 systems. I have the advantage of being universally certified. Most motive certified AC technicians are not, and R414 might be out of their reach. As such, it may be no more economical that a full-on R134 retrofit, although it will cool better.
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