One of the greatest innovations of the '80s was the incorporation of overdrive into manual and automatic transmissions. Overdrive has been a terrific means to reduced wear, tear, and fuel consumption ...

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 ...

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 ...

For more than a decade, installing an overdrive-automatic or manual transmission into a vintage Mustang has been a popular upgrade. It's more common these days, but some people still aren't convinced ...

Since the health of our planet became a major societal focus decades ago, automotive engineers have been on a mission to find a balance between performance and efficiency. In the past, the two ...

Direct drive or overdrive? That’s a years-old question among truck operators concerned with spec’ing transmissions: Should top gear be a direct 1 to 1 ratio, where the output shaft spins at the same ...

Automatic transmission cars have the Overdrive (O/D) function which allows a driver to drive faster on the road. The o/d is the highest gear in an automatic transmission. The overdrive function ...

Classic cars are a lot sturdier than they get credit for being. Despite what a lot of people want to say, you can use them as daily drivers. I know because I did it with this 1969 Dodge Charger for ...