When it came time to lower the rear of our 1969 Ford F-100 project, we knew it was only best to drop the rearend and at least do a quickie "garage floor" rebuild before flipping the springs and ...

Performance cars have limited-slip differentials, period. The "One Wheel Peel Deal" isn't any more acceptable than running 17s in the quarter-mile. Unfortunately, it seems the only way to get both ...

Customer:"Hello? I'd like to buy an axleshaft for my Ford 9-inch rear axle." Salesperson:"No problem. Do you know what length, spline count, and wheel-bolt pattern you need?" Customer:"I really don't.

For over half a century, the Ford 9-inch rearend has been the king of aftermarket axle upgrades. Few other axles enjoy the same amount of bolt-on and custom componentry. The Ford 9-inch is a great ...

Currie Factory Tour: The Ultimate Ford 9-Inch Rear End for Any Car or Truck takes you inside the design and manufacturing process of this legendary rear axle. Explore its engineering, durability, and ...

While some were weeping on the sidelines of the 2015 Ford Mustang launch earlier this month at the loss of the trademark truck-like solid rear axle setup that all of its predecessors used, the rest of ...