One of the most common ways of measuring a diesel truck’s horsepower and torque is running it on a chassis dynamometer, known as a dyno, for short. Perhaps the simplest type of dyno is an inertia dyno ...

We may have goofed, but we're man enough to admit it. Despite the countless engine dynamometer tests car magazines publish each month, we've rarely-if ever-explained how an engine dyno actually works.

Maybe I'm ignorant for having this mindset, but I always thought you could go to a dyno to figure out how much power your car makes and that was the number you could proudly tape to your fridge. Jason ...

I ran this dude from a 50 roll and beat him by two car lengths, and last week he barely lost against this guy in a Camaro that runs low 11s and makes like 500 hp, so I figure I'm making 600 hp. Right.

I ran this dude from a 50 roll and beat him by two car lengths, and last week he barely lost against this guy in a Camaro that runs low 11s and makes like 500 hp, so I figure I'm making 600 hp. Right.