Every diesel-powered pickup sold in the United States for the last 10 years has a full-floating rear axle. Fords currently use a 10 1/2-inch axle made in a plant in Sterling Heights, Michigan-so most ...

Having a 500-plus-horse big-block under the hood of our Basket Case 1970 Chevelle project is exciting, but we're going to need a reliable way to convert that rotational power into linear motion. So ...

Drag racing is all about overkill: Too much horsepower is never enough. The drivetrain takes all the gaff, so racers tend to it with Brooklyn Bridge-like structures to keep from scattering parts all ...

Dear 4-WHEEL & OFF-ROAD: Please explain the differences (both pluses and minuses) of the Dana 80, the Dana 70, and the GM 14-bolt 1-ton rearends. For the sake of discussion, assume that all are ...