To make this gear ratio comparison possible, we used a car equipped with a 9-inch Ford housing and had Drivetrain Warehouse set up three centersections with 3.00, 3.50 and 4.11 gearsets. We also used ...

Can you believe the Honda Civic has been around for 24 years? Honda's econocar-for-the-masses, first introduced in '72 as a hatchback, is now entering its sixth model generation with an all-new ...

The Shelby Supercars Tuatara is steadily progressing through its development process, with the latest work being done on selecting the final gear ratios for the seven-speed transmission. The latest ...

Why is the Gear Vendors overdrive so popular on HOT ROD Drag Week? Racers know it will live behind 4,000 hp, can be installed in a weekend, and doesn't share fluid with your transmission so it won't ...

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 ...

Power, power, we all want more power. Naturally, most people think of the engine when upgrading their 4x4, since that’s where the power comes from. Is your rig a slug in the rocks or on the road? Just ...