Development of the DDA 8.2L Diesel Engine for 1988 Emission Standards 880465

The emission development performed to meet 1988 Federal and California emission standards with a four-stroke direct-injection V-8 diesel engine of 8.2L displacement is described. On the naturally aspirated engine the major concern was meeting particulate and lug smoke standards at low NOx levels. Acceleration smoke and particulate emission reduction was necessary on the turbocharged engine. The performance and emission goals were met by modifying the unit injectors and pistons of both naturally aspirated and turbocharged engines.


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