We take our differentials for granted, right? Of course, we expect our vehicles to navigate turns without scrubbing the inside tires or hopping the outside ones. But how does a diff do that? Look for ...

Installing new gears and differentials is one of those jobs that even skilled mechanics and fabricators typically don't like to tackle at home for many reasons. Setting up gears requires specialized ...

Ford has used "'open" diffs, Detroit Lockers, and several types of clutch-type limited-slip ('posi') units. Tom favors a properly prepared posi for most street/strip applications. The best Ford ...