One of the most hotly debated topics among Porsche enthusiasts is which is better: the air-cooled or water-cooled 911. The sports automaker had used an air-cooled engine across multiple generations of ...

Porsche switched from air to water cooling for its engines almost 30 years ago, when the 996-generation 911 launched for the 1997 model year. There hasn’t been an air-cooled flat-six in production ...

Now in its eighth generation, the 911 series has undergone a transformation that’s entailed—among other refinements—vastly increased output over the years. But the air-cooled, normally aspirated ...