Pretty simple question actually (or so my ignorant mind thinks): At what compression ratio would an engine benefit from higher octane fuel? The Focus I drive is just over 10:1, and I've heard some say ...

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 ...

Millions of drivers are paying extra for premium gas and getting absolutely nothing back.

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...

When you pull up to an ordinary gas station, you’ll see multiple types of gasoline. The most common here in the U.S. are listed as “regular,” “plus,” and “premium.” To the casual observer, it might ...

Garage 54 calls it free horsepower. We call it glorious Lada carnage.

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...