Over the years, we thought we knew a few tricks about how to set up a typical Eaton 12-bolt, clutch-style limited slip, better known as a Posi. But we've learned a slick trick from Tom at Tom's ...

Expensive repairs? Find a warranty to cover future costs. Front differential failures are extremely rare, but when they do start to fail, you may hear grinding, feel vibrations and have trouble ...

Horse Sense:This project focuses on removing the differential for the purpose of rebuilding the Traction-Lok. It's also a great time to replace the bearings and seals in the rear axle and even swap ...

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 ...

What if the hot rod is not a racecar or mega-horse street flier, but rather a cruiser running in the mid-400-horse range that will never see the track? Building a rear end capable of withstanding 800 ...