Tech Tips All things mechanically related to Porsches. http://www.900seriesm.com/tips/tech/ Air cooled 911 owners Quick Tip... Air cooled 911 owners: don’t run your air conditioner with the engine lid open. Tue, 23 Jun 2009 00:00:00 -0700 http://www.900seriesm.com/tips/tech/BOSVIEW/Air-cooled-911-owners/ http://www.900seriesm.com/tips/tech/BOSVIEW/Air-cooled-911-owners/