Adding real horsepower without tearing your car down to the firewall is not a fantasy. With the right mix of tuning, airflow, ...

Think back to science class in school. You were taught that the Earth is a gigantic sphere with a thin layer of atmosphere over it. Despite what Flat Earthers claim, the air we breathe does not need a ...

As GM Authority has reported before, the Chevy Equinox crossover has a history of engine power problems stretching back to the 2018 through 2022 model years. If your 2023 through 2025 Chevy Equinox ...

The term horsepower has been a staple in the automotive industry for decades, but why exactly do we use it? The concept dates back to the 18th century when engineer James Watt sought a way to compare ...

The 6.4-liter and 6.7-liter Power Stroke Diesel engines are different sizes and made by different manufacturers -- one by ...

We might be covering ground that's well trampled for many, but the static compression ratio of an engine is simple to understand: it's all the volume of a cylinder above the compression ring at Bottom ...

If you've watched a car movie like the "Fast and the Furious" franchise in recent years, you might've noticed them pressing a button and the car suddenly getting a massive boost in engine power. When ...

With a rich history spanning a century, the Cummins Engine Company was started by self-taught mechanic Clessie Cummins and banker William G. Irwin on February 3, 1919, in Columbus, Indiana. Inspired ...

Loss of engine power is an ongoing issue for certain GMC Terrain vehicles, with 2018 through 2022 GMC Terrain units previously experiencing the problem. If you own a 2023 through 2025 GMC Terrain and ...