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 ...

We don't mean to be the harbingers of doom, but it's unwise to keep driving if your car's engine has a malfunctioning positive crankcase ventilation (PCV) system, particularly a bad PCV valve.

With a giant Procharger, this LS V10 engine is ready to drop into your project cars and make a monster out of virtually any ...

Back in 2009 when LS swaps were gaining ground, we had Mike Copeland write an in-depth story on the things you need to consider when swapping in an LS engine into a vintage muscle car. Mike was the ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...