Just a few months ago, I wrote about how Nissan was able to produce a road-going engine with a thermal efficiency—the amount ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

Even BMW and Porsche aren’t making as much power from their comparable engines. Like the larger six-cylinder unit, this model punches above its weight, with six-cylinder levels of power and torque but ...

Turbocharged engines are built for power. They use a device called a turbocharger to force more air into the engine, which helps burn more fuel and create more power. This gives you quicker ...