There was a time when the Ford 9-inch axle was synonymous with strength. It was the must-have upgrade, not only for four-wheelers but for hot rodders and drag racers, too. It was plentiful, virtually ...

Out on the trail you'll see axle extremes-big-tire rigs with spindly little axles, and others with monster-sized axles. The little axles would probably run from those big tires, screaming in terror, ...