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 ...

Mopar muscle car owners have been dealing with the same dilemma for decades: solving the gear ratio paradox. If you actually drive your Mopar muscle you know exactly what we are referring to. Let's ...

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 ...

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 off-road world thrives on rugged capability and raw power, and for years, side-by-side vehicles have relied on the trusty continuously variable transmission (CVT) to tackle everything from muddy ...

The GM Hydra-Matic 9T65 9-speed automatic transmission is a variant of GM’s 9TXX 9-speed automatic transmission family. It was officially announced in conjunction with the 2018 Chevy Traverse and the ...

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 ...

Big tires and big obstacles can rob you of torque, traction, and possibly wheel speed. Changing axle gear ratios can help and is most often done to restore reasonable gearing for on-road driving with ...