It's a story as old as hot rodding itself. It starts with the sales pitch-"Buy my widget and your engine will gain 50 hp"-and ends with a disappointed customer with a car that sure doesn't feel like ...

When it comes to superbikes, everyone appears to be very concerned with horsepower. Michael Czysz and Chip Yates go out of their way to make fantastic claims of over 200hp for their motorcycles. BMW ...

Update #1 September-1-2010 02:49 PM PDT: Our friends at Diesel Power are also testing a 6.7L Power Stroke V-8 this week. Check out the results of their pre-flash dyno run. You can see significant ...

Ralph Hanson September 24, 2008 Comment Now! It was only a matter of time until the first dyno charts for the Chevrolet Corvette ZR1 hit the web and here they are courtesy of Pennsylvanian tuner PCM.

Our domes are on fire thanks to one seemingly simple idea we had for a great story. We wanted to go undercover at five different performance tuning facilities and test each of their chassis dynos ...

Love 'em or hate 'em, dynamometers have become an important part of our hobby and, even though they can be found at the scene of many a bench race gone awry or multi-page e-battle, they play an ...

You're in a compact sedan with a 5.0-liter, 416-hp V-8 with four-valve Yamaha heads that contain titanium intake valves. Where do you head? The dyno, of course. And so we did. The fellas at Ralph ...