Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Growing up, Mark always had a mind for tinkering on random items throughout his home and dad’s garage, including a 1953 Ford Mainline and ...
Push a pickup hard enough, even a heavy-duty model, and something’s going to give. That’s especially true of limited-slips and lockers found under diesel pickups used hard in the construction world.