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 ...

The O/D is the highest gear in an automatic transmission. The Overdrive function reduces the engine’s revolutions per minute ...

It may not look it, but the D3 function found on your gear shift serves a surprisngly useful purpose separate from that of ...

The price of street gas being what it is, even the most hard-core hot rodder must grasp the consequences. Certainly, they can curtail driving to reduce fuel cost, which often precludes traditional ...

As the brainchild behind Lentech Automatics, Len Bertrand probably knows as much about the hydraulic, mechanical, and electronic goings-on inside a Mustang's overdrive automatic transmission as anyone ...

Allison Transmission Sept. 14 introduced to the media a radically different 10-speed fully automatic twin-countershaft range-type truck transmission called the TC-10. Allison says production will ...