The valvespring appears to be no more complicated than the spring that swings your screen door shut behind you. Granted, the concept is pretty simple, but in the context of the engine's valvetrain, ...

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 ...

Question: Our hot-water heater safety-pressure valve runs all the time and drains all the water out of the tank. Why? Answer: All water heaters have a valve to control temperature and pressure that is ...