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  1. Bill93XJ

    R-134a conversion in an Auto A/C System

    I have heard that when an automobile system is converted from R-12 to R-134a that the charge should be 'lighter'. Say approximately 80% of the capacity of the O.E.M. R-12. Does this mean the cooling capacity of the system is now diminshed by 20% ?? I know that systems which are designed from...

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