I went through and replaced my 1985's A/C system with all new parts (literally every part). And I'm running R134 through the 1985 spec parts just fine, You just need to make sure to run the correct type of oil, and get the conversion fittings. I wouldn't trust the r134 on original parts however.

Last edited by tuner4life; February 08th 2019 10:13 am.

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