The biggest advantage to using a 4BT Cummins, over the standard 4.0L gas engine, in a rock crawler is the peak torque delivery occurring at around 1,600 rpm compared to the 3,000 rpm peak torque of ...

Starting the Cummins R2.8 in the crate We add fuel 12-volts and start this engine in the crate well before it found a home in the 2018 UA Derange Rover. Related Videos ...

This time Christian heads back east to Ian Johnsons Big Tire Garage for another ambitious project. With two iconic Cummins powered vehicles needing a refresh, Christian and Ian make quick work ...