Whenever you're building a hot restomod, thoughts always eventually turn to the rear axle. At one time, choices were simple: 8- and 9-inch removable carrier differentials and housings, two-pinion or ...

My friend has a 1960s Ford pickup, and we can't identify the rear axle. It's either a Dana 44 or a Dana 60. How can we tell the difference?—Ted Olmstead, via email Identifying an axle is the first ...

Learn how to keep your hot rod’s differential temperatures in check on street/strip GM 12-bolt, Mopar Dana 60, and Ford’s 8.8 ...

In the automotive world, especially when it comes to off-road trucks and SUVs, differentials come up all the time. Is your differential locking, limited slip or open? Do you have a transfer case? One ...

'"Just put a 9-inch in it!" That has been the rallying cry for Ford enthusiasts for more than 40 years. If there is an industry standard for rearend strength and durability, it has to be the Ford ...