Tires have evolved along with racing machines in the ultimate effort to gain more and more speed. Racing legend Mario Andretti remembers running low on time...

 

A turbocharger is a small radial fan pump driven by the energy of the exhaust gases of an engine. The purpose of a turbocharger is to compress the air flowing into the engine. It lets the engine squeeze more air into a cylinder, and more air means that more fuel can be added. Therefore, you get more power from each explosion in each cylinder.