The most popular transmission modifications for cars equipped with automatics are valve body reprogramming kits and torque converters. Valve body kits are generally called upon to increase shift ...

Project Freeway Fats is a '39 Ford Tudor sedan. In this series of build-up stories, we're detailing the fabrication, restoration and assembly of the car using some of the top builders in the country ...

Viewer-submitted questions for The Car Doctor: Q: I have a 2017 Honda Ridgeline (66k miles) without four-wheel drive. I know there is an issue with the transmission that causes the truck to vibrate at ...

Just like the foot bone's connected to the leg bone, it's only natural to think that a car's engine is connected to its rear wheels. This seemingly reasonable assumption would be wrong—at least in ...

For straight line guys, spending hundreds of dollars on something that doesn't give you any extra horsepower doesn't exactly seem like a good deal. Even a federal bean counter could figure that one ...

Torque converter gearboxes are automatic, but not all automatics are torque converters. Some cars use something called a dual-clutch gearbox, while others use a continuously variable transmission (CVT ...