Driving with the diff lock engaged on dry pavement isn't just a bad habit. It's a quick way to strain your drivetrain and make the whole car feel off. The tighter the corner, the worse it gets. Your ...

It has become the must-have inclusion for every serious four-wheel drive, but when and why do you need to use your differential lock?

There are lockers and knockers, limited slips and Sure Grips. Sometimes they're called Positractions and sometimes much worse. But this name game is really about the concept of pushing equal measures ...