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 ...

Your doctor will tell you that stress kills. The same is true for high-performance engines and it’s a safe bet that if your engine is running aggressive valvesprings and stud-mounted rockers, there’s ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...