When a car is being upgraded in terms of horsepower and fuel efficiency, exhaust upgrades tend to be near the top of many ...

This Chevy engine powered some of the world's highest-mileage vehicles over the years, and it keeps on hauling decade after ...

The first time you see Austin Shepherd's 1985 Mazda RX-7 fly down track, you'll ask yourself, "Did I just witness that?" The second thing you'll think is, "I gotta take a closer look." (We'll pause ...

When Chevy dropped the 427ci LS7 on the performance world in 2006, it was the most powerful naturally aspirated V-8 powerplant ever put into mass production. A lot has happened in the interim, ...