Over the years, the trucks have certainly become more sophisticated. Take transmissions for example. At one time the only choices were "three-on-the-tree" or "four-on-the-floor" manual boxes. When ...

When it comes to applying the latest technology to street rods some of us are more enthusiastic than others. If nuclear powerplants suddenly became available you can be sure Brennan would shoehorn a ...

It's been said that the only reason transmissions exist is because engines aren't good enough. A typical V-8 can rev up to about 6,000 rpm. If you didn't have a transmission, you'd need an engine that ...

In automobiles, "overdrive" refers to a transmission system with a wide ratio, that is, a number lower than 1:1. That setting allows the engine to sustain a given speed at lower rpm than usual, which ...

When you look closely at the gear lever in your car, especially those with automatic transmission, you will see initials O/D engraved on its side. In some vehicles, the two words are written in full.