With or without a clutch pedal, all cars have three elements that make up their performance combination: the car's weight, horsepower, and gear ratios. When a torque converter is added in place of a ...

Q:I've been searching the Internet to diagnose an issue I have with my 2003 Chevrolet Express van with the 6.0-liter engine. I was driving on the expressway, and suddenly the truck started to behave ...