Cooling fins are an iconic feature of motorcycle design. These blades made their mark early, with their parallel lines encircling the cylinders of classic bikes from day one. Whether on the striking V ...

Whether we're talking about vehicles with two or four wheels, a primary goal of engineers is to wring out as much power from each unit of displacement for every engine they make. This keeps weight ...

Many Porsche “purists” reflect forlornly upon the 1997, 5 th generation, 996 version of the iconic 911 sports car. It was the first year of the water-cooled engine versions of the 911, which had ...

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

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 ...