Engine sound has long been treated as a performance metric, a kind of acoustic dyno sheet that tells drivers how hard a car is working. As digital audio and electrification spread, engine sounds are ...

Watch the BMW M4 G82 equipped with the M Performance OPF Delete exhaust system during dyno testing and onboard driving. This video features 300 kmh dyno pulls, engine revs, and POV driving footage ...

YardstickThere is an old adage that you don't race dynos and flow benches. Manufacturers of test equipment use different standards and test procedures that will affect the results. This brings me to ...

Real-World Showdown: We put Don Hicks' Ford 393-Cleveland Stroker Motor to the Test on Westech Performance's Engine and Chassis Dynos. The Results May Surprise You. How much power do you lose through ...

LT4 is how GM calls the blown V8 of the Camaro ZL1, and it’s a serious piece of small-block engineering thanks to roto-cast aluminum heads, larger combustion chambers than the LT1 on which it’s based, ...

To this day, Shelby American can build the Cobra of your dreams if your pockets are deep enough to own a piece of history. For example, the aluminum-bodied 427 S/C without the engine and transmission ...

If you want to dyno test your tuner car, you can probably find a couple of good facilities in any nearby major city. If you want to do similar testing at a smaller scale, though, you might find it’s ...

Pete Aardema and Kevin Braun build custom racing engines in San Diego, California and their latest creation is a 6.0-liter V12 that’s being prepared to go hunting for land speed records. While Aardema ...

YardstickThere is an old adage that you don't race dynos and flow benches. Manufacturers of test equipment use different standards and test procedures that will affect the results. This brings me to ...