An engine's valvesprings play a critical role in its performance, yet those incorrectly chosen for a given application can cause hobbyists to unknowingly point blame in another direction if an engine ...

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 ...

Read this case study to see how failures in valve springs can become a big problem, leading to unstable assemblies, requiring frequent maintenance, and contributing to growing costs. See how MW ...