It's been called the Lincoln Locker for decades, but not because ol' Honest Abe had one in his ride. It's simply 4x slang for the type of machine used to weld your differential's spider gears in place ...

General Motors has several names for its LSD, or Limited Slip Differential, unit. Commonly referred to as Posi-traction, the exact same clutch-based LSD is also known as Controlled Traction, ...