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 ...

Sooner or later, it boils down to what direction you're going to go when your Mustang's rear axle wears out. Some decisions are straightforward. If you have a six-cylinder Mustang, stick with the ...

All the horsepower in the world is useless if it can't be transferred to the pavement. Putting the power down is the axle's job, and for a rear-wheel-drive car, the simplest setup is the solid rear, ...