General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...

When it comes to V8 engines, there are many examples that spring to mind as powertrains that evoke a certain degree of emotion and respect. In Ford’s case, it, too, has plenty of V8s that have formed ...

Mechanics who work on these engines point to valve stem seal failures and timing issues that arrive well before 100,000 miles ...

Ford has finally acknowledged the intake valve problem affecting certain 2.7-liter EcoBoost V6 and 3.0-liter EcoBoost V6 twin-turbocharged engines. The suspect engine population was used in the ...

Tick. Tick. Tick. That's the sound our Ford 4.0-liter, over-head valve (OHV) engine was making in our 1991 Ford Explorer after 250,000 miles. The Ford 4.0L V-6 engines, built in Germany, are found in ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

Ford revealed the Bronco in July 2021, and it was a smashing hit with customers. Despite its cute lines and retro cues that trace back to the first-generation Bronco, Ford’s off-roader is no softie.

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...

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 ...