The Technology of Sport Compact Cars

In case you are not familiar with the basics of how an internal combustion engine works, it goes something like this. The piston is connected to a connecting rod that is connected to the crank. The crankshaft is connected to the cam by using a belt or chain. The cam opens and closes the valves, letting air in and exhaust out. Each time the piston is forced up or down, that is called a stroke. The piston starts at the top of the engine, the intake valves open, and the piston moves down to let the engine take in air and gasoline. …