Police cruisers look familiar from the outside, but under the hood they are tuned for a very different life than the average commuter car. I want to unpack what really separates a patrol vehicle’s ...

If you've watched a car movie like the "Fast and the Furious" franchise in recent years, you might've noticed them pressing a button and the car suddenly getting a massive boost in engine power. When ...

Automatic engine stop‑start was sold as a painless way to cut emissions and fuel bills, a tiny software trick that would shut the engine off at red lights and fire it back up when the driver lifted ...

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 ...

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). We're not here to hijack you into believing that EFI is cheap or even simple. Carburetors ...