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Air Conditioning Upgrade

  • 1981
  • 911 SC Targa
Mileage: 
66 000
Heating and Ventilation
Marietta, 
Ohio

I have a 1981 911SC Targe that is in excellent original condition except for a chain tensioner upgrade. The air conditioner works poorly and I am about out of Freon R-12. I would like to switch to R-134 and update the air conditioning (hoses, evaporator & etc). My question is will a compressor upgrade from York to rotary reduce the value of the car since it clearly isn't original.

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