In the early days of engine tuning, hobbyists and racers would switch the camshafts in their motors to gain power. They had the choice of an aggressive cam profile for power or a more normal profile for fuel economy and reliability. Switching out the cams in these cars became a popular way to make your […]

In the late 1990s, Porsche completely overhauled their flagship sports car, the 911. Up until this point, the 911 was powered by an air-cooled engine (which means the engine did not have coolant or a radiator, instead relying on airflow, fans, and motor design to keep cool while running). The 996 generation introduced the first […]