Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable ...

Every time we talk about an engine, we talk about the amount of horsepower it has. Even if we talk about electric motors in most modern EV, we tend to read the horsepower figure to determine the power ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

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 ...