Valves are among the most complex components in the internal combustion engine. Many cars nowadays incorporate multiple ...

There's no doubt that the valvetrain is the most complex part of any racing engine. It's also pushed the hardest against some incredible stresses. Nextel Cup teams and some manufacturers are putting ...

An internal combustion engine, at its core, is similar to a giant air pump. To produce power, it sucks in fresh air and fuel, compresses that mixture, and then explodes it, before expelling the burnt ...

This installment of Toyota's Engines 101 series takes a closer look at one of the most critical parts of an engine: its valvetrain. The video establishes what parts comprise a valvetrain, looks at ...