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Bo Sandulescu

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  • From
    Orange County, California
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    1979 928, 1983 Alfa Romeo GTV6, 1991 MR2, 2023 Jeep, 2024 Mazda CX5AWD, 2021 Tacoma, 2012 Mercedes GL350
  • Future cars
    1970-1997 911 (preferably 930), 1970-1985 Ferrari 308 or 328, 1970-1985 Ferrari BB512 (longshot), 1970-1985 Lamborghini Countach
  • Former cars
    1977 Firebird

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  1. I am upgrading my long dead AC system to R134 through the Griffiths upgrade compressor, condensor, dryer. The question is what was the original oil used in the system? My worry is mixed reports about remnant oil in the evaporator located underneath the dash. Some say mixing oil types may turn to varnish ... if this is true, it could mean the end of the evaporator and maybe the rest of the system. Has anyone upgraded their system?
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