We got our first glimpse of a stand-alone ECU for the common-rail 5.9L Cummins at the 2009 Scheid Diesel Extravaganza. We didn't hear another peep about it for almost a year-until we bumped into Tyler ...

The clearances inside diesel injection system parts are closer than those found in any other technology. The plungers and needle valves in injectors need to fit tightly to ensure precise metering and ...