We took boosted launches underground—then turned our F350 bunker into a blast zone. It got loud, fast, and out of control.

The 10-speed shares its architecture with the transmission found in most F-150 models, suitably uprated to handle the larger truck's torque and loads. The 2020 Ford ... duty F-350 also offers ...

We install some power mods from power-driven diesel to give our fuming a little more get up and go.