Backyard classic truck builders can rattle off a list of "donor" rearends that accommodate early applications, including late-model six-lug conversions for 1947-1955 Chevys, like Nissan Pathfinders, ...

The GM Corporate 14-bolt rear axle is considered one of the best options for the ultimate in high strength for a trail/street machine. Found in four different variations from 1973 to 1996, the ...

Pitching the stock differential out from under a GM car in favor of a 9-inch Ford has always been the best way to step up the drivetrain for drag racing. Since the price of used 12-bolts has ...

It’s no secret that when a manufacturer builds a vehicle, it’s actually nothing more than a series of compromises. Engineering wants one thing, but production demands another, legal something else, ...