Nelson Ireson October 18, 2011 Comment Now! The Shelby Supercars Tuatara is steadily progressing through its development process, with the latest work being done on selecting the final gear ratios for ...

Vehicle speed (mph), engine speed (rpm), tire diameter (inches), trans gear ratio, and rear axle gear ratio are all interrelated. If you know four out of five of these values, you can determine what ...

Building your 4x4 can be one of the most enjoyable and rewarding adventures that you will ever take. While we understand that not everyone is a master fabricator, simply getting to know the basics of ...

"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world." — Archimedes (287- 212 B.C.) On the street, everything is a compromise. Power is now easier to make than ...

The optimal gear ratio depends on how the engine fits the intended use of the boat. Courtesy Yamaha In every boat test we run, we include certain specs that we feel are valuable to our readers. Some ...

The new GM 10-speed automatic transmission is now either standard or an option on GM’s full-size SUVs. In these applications, the new 10-speed is known as the Hydra-Matic 10L80 and is assigned GM RPO ...

Optional axle ratios can tailor pickup truck power and efficiency to suit your needs as long as the gearing keeps the engine in its torque sweet spot. Often overlooked, optional gear ratios play a key ...

Even good cars only give the driver two speeds to monitor: engine speed and vehicle speed. And while it’s the engine that ultimately does the work to turn the wheels and move a vehicle, a lot goes on ...

The GM Hydra-Matic 9T50 9-speed automatic transmission is a variant of GM’s 9TXX 9-speed automatic transmission family. Officially announced in December 2016 in conjunction with the 2017 Chevy Malibu ...

If you run your variable frequency drives at 60 Hz and below, you are not alone. Nearly all the VFDs in North America operate below this nominal frequency threshold. Yet a growing number of ...