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1997 C2 993 engine oil

  • 1997
  • 911 Carrera
61 000
New York

Hi.. I just read your recomendation on using 15W-50 or 20W-50 synthetic oil for  993.  I have always thought that Porsche recomends 0W-40, because iti is used as a hydraulic fluid to pressurize the lifters on startup. Won't the 15W-50, 20W-50 have a problem doing that ? 



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