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 ...

2.Reduced engine rpm (without attending losses in net torque) tend to improve overall fuel economy and driveability. 3.Treat multi-cylinder engines as a combination of several single-cylinder engines, ...

Explore the legendary “Big H” high-compression era as DeSoto and Pontiac engines pushed American V8 performance to new ...

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

As we face the end of the internal-combustion era, the straight-six has made an unlikely comeback. Well, unlikely might not be the right word for an engine configuration of such fundamental rightness.

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

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 ...

Nitrous oxide is one of the most misunderstood power-adders on the market. It has a reputation for being unsafe or unethical, but pound per dollar, nitrous is the most inexpensive and easiest way to ...