Without a doubt, Ford's 9-inch axle assembly has been the No. 1 choice for a performance rearend for a long time. The reasons were obvious enough—they were strong, plentiful, and affordable. A wide ...

We're heading down the home stretch on the driveline for Gary Schweitzer's '65 World's Fair Magic Skyway Mustang convertible. We've rebuilt his 200ci six and C4 Cruise-O-Matic, so this month, we head ...

We decided to cut through the brand-loyalty blindfold to take a clinical look at the 12-bolt, the Ford 9-inch, and the Dana 60 rear axles. We obtained a 3.50:1-gear version of each of these three rear ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...

It’s no secret that traction is the cornerstone of any vehicle’s off-road prowess. If the engine’s torque doesn’t get to the tires, all the power and suspension upgrades in the world are of little ...