Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

Turbocharged engines may seem like a modern invention, but the progenitors of internal combustion engines have been finding ways to boost the power output of their fossil fuel-burning creations.

Unless you’re the reincarnation of Smokey Yunick, you probably don’t know everything about engines or building them. That’s just fine, because few people do—and even those who build them for a living ...

High output engines were once expected to run reliably for hundreds of thousands of miles if owners kept up with basic maintenance. Yet a growing number of modern performance powertrains are suffering ...