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 ...

The hottest cylinder head on the small-block Chevy hit parade right now is the Vortec iron head. It's extremely affordable and flows a bunch of air for a stock production iron head with a 170cc port ...

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 ...

While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...

Valve springs for horsepower Ask Ed discussing how spring pressure and setup affect RPM and engine power output #Horsepower ...