There are many advantages that make 5.9L Cummins-powered '98 1/2 to '02 Dodge Rams very desirable trucks—especially from an engine standpoint. First, the engines don't have the killer dowel pin ...

Building a diesel engine that does not use traditional pistons may seem odd, but in today's modern age of high efficiency, low emissions, and weight reduction, an engine with a nonconventional rotor ...