It was 1973, the last time we saw a brand-new 12-bolt rearend in a passenger car, and man, the things are fetching untouchable green at today's swap meets. Some have argued that GM's 12-bolt axle has ...

The Chevy versus Ford debate is as old as these legendary car companies. The debate within the debate has long been GM 12-bolt versus Ford 9-inch. In truth the GM 12-bolt is a far more efficient axle ...

It's built strong, lasts long, and hooks the tires so hard it's just plain wrong. This is a fair description of Detroit Locker's new Detroit Truetrac locking differential. Whether it's an 8.5-inch ...

Torque, you have to love it. It’s what pushes us into the seats during acceleration and puts the never-ending grins on our faces. Chances are if you’ve already upgraded the transmission to handle the ...