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, ...

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 ...

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 ...

Diesel engines run hot under load, but extreme heat means trouble. Here are the hidden causes of rising exhaust temps and how to keep them in check.

Since 2025, he has contributed to CarBuzz, blending his engineering background and almost 20 years of automotive journalism ...

At one point, Oldsmobile, Buick, and Pontiac all had 455 cubic-inch under the hood of some of their models. However, that ...

The Chevrolet Vortec 8100 delivered 340 hp and 450 lb-ft in trucks and SUVs, with marine versions tuned higher, before ending ...

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 ...

A large variety of fuel options and prices are available - Bill Ragan/Shutterstock Premium gasoline is for cars. More specifically, it's for a relatively small number of them that have engines with ...