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AC system size

1424 Views 13 Replies 4 Participants Last post by  69307/350Chevelle, 
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I have a '69 chevelle, going to vacuum test the system, I heard you should make sure you know the correct system size so you don't overcharge it, how can I find this information? Also, I'm sure I need about 36oz of esther oil total? I know some needs to go into the compressor, any other specific areas that I should put the oil in to get it started?
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No more than 11 ounces of oil for the entire system. With the A6 compressor the system held 60 ounces of R-12.
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