Modern engines are efficient, but not all of their energy goes into powering vehicles. What's lost explains how horsepower becomes brake horsepower.

Different brake manufacturers will have different break-in procedures so be sure to read the instructions carefully. Once the break in was performed we put the Wilwood system to the test.

Horsepower can be measured in many different ways. We explain what peak horsepower means and why it is important for drivers to know.

I'm about to do a brake job on my daughter's fun-racer, the 1983 911SC Porsche coupe that I spent two years turning from somebody's sorry beater into her loud, slick, tautly sprung street-and ...

The buyer says they paid just $2,000 for this M5 and believes they can get it back on the street for very little ...

Alex and Surrey Rolling Road's dyno operator Charlie establish that the car made "317 brake horsepower" when it was new. "A really, really good one of these will still do the 317," Charlie explains.

Brake Horsepower (BHP): The power that is available at the flywheel for propelling the vehicle, or after the effects of FHP have been subtracted from IHP.

Tuning house Brabus has created a shooting brake version of the Mercedes-AMG SL 63 E-Performance. The plug-in hybrid clownshoe makes 985 horsepower.

By now, you've all probably noticed that British journalists talk about something called brake horsepower. It's basically almost the same unit as the horsepower measuring unit used in the rest of ...

Q: I have a 1997 Ford Thunderbird 4.6 V8 with the 205 hp stock engine. I love the car, but it is so underpowered. I wanted to determine what I would have to do, and how much it would cost, to ...