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, ...
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 ...