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 ...

With the short block assembled for our 383 supercharged project motor, it's time to shift our attention once again; this time to the heads and valvetrain. Like the rotating assembly, when it came to ...

At its most basic level, an engine is an air pump. Internal combustion engines breathe fresh air and expel wasted exhaust gases to make power. Something has to tell those intake and exhaust valves ...

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 ...

The Ford 300 Inline-Six ran from 1965 to 1996, powering F-Series trucks and fleets with legendary torque and ...

SAN ANTONIO -- July 30, 2019 -- Southwest Research Institute recently added an additional single cam rig (SCR) to its considerable array of tribology testing equipment. The rig, which investigates ...

If there is one performance limitation to hydraulic roller lifters it is the maximum rpm capability they can maintain in race applications. The internal hydraulics of standard roller lifters are ...

We rebuilt the valvetrain in our $100,000 NASCAR engine ...

LONDON, June 18, 2012 /PRNewswire/ -- Due to the increasing urbanisation in Europe and a rising demand for microcars with cost-effective gasoline engines, the European market for variable valvetrain ...