Valve spring installed height plays an important role in engine performance and valvetrain reliability. Learn what it means and why getting the measurement right matters during an engine build. #Valve ...

Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...

If you could single out one particular part of an engine that is most misunderstood, you would likely mention the camshaft. The numbers associated with camshaft design have baffled many a car guy for ...