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 ...

There's a bearing type for every reason and every possible application. MAHLE Clevite has got you covered, from Mom's grocery-getter to 11,000hp blown Nitro motors. Here's the scoop on choosing the ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

Some of the wildest engines in automotive history did their best work in cars that barely anyone remembers. Instead of starring in headline supercars, these powerplants were buried in obscure trims, ...

Growing up, Motor Trend was basically Chris' bible. With an ever growing TikTok fan base, Chris decided it was time to take the more serious journalistic approach to talking about his favorite subject ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

The Mopar name, Chrysler's clever blend of letters from its motor parts arm, is synonymous with powerful engines from the muscle car era. Today, Mopar continues to set the standard for high ...

Crate engines are a lifeline for street-performance two-wheelers and four-wheelers. When Harley-Davidson introduced the Screamin' Eagle 135ci Stage IV Performance Crate Engine in 2023, it wasn't just ...