Oldest working automotive AC?

[cfz2882]

my oldest car A/C is in my '81 928 Porsche-nippondenso compressor on mine,but the earliest 928s(Ca.1978-79)had the good old GM A-6.Rest of the Porsche A/C is a mix of American,german and Japanese parts.next is '82 z28;R4 compressor and cycling switch-if(when) the R4 craps,i may switch to A-6 and variable expansion valve.'89 dodge raider system is all nippondenso and I like that it has a sight glass still.

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[davey7]

I had an '83 245 which I bought for $5 (yes, five) from a coworker. I was too scared to even try running the AC in that car since I suspected it had long been neglected.

The AC in my '90 Civic leaked after recharging and it hasn't been worth the money to fix.