In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

For how basic it is, a car engine's four cycles of combustion are truly fascinating. A perfectly timed valvetrain ensures that the air/fuel mixture enters, compresses, and then exits without piston-to ...

Depending on the size and design, engines can be made up of anywhere from between 2,000 and 15,000 individual parts, per Spinny Post. This is important to understand, because some seemingly simpler ...