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SwRI benchmarking program to evaluate pick-up truck diesel engines for performance, emissions, durability

San Antonio -- April 28, 2004 -- Three 2004 pick-up truck diesel engines will be evaluated for the Southwest Research Institute® (SwRI®) diesel engine benchmarking program. The GM/Isuzu Duramax 6660, the Ford/International 6.0L Power Stroke® and the Dodge/Cummins 600 5.9L diesel engines will be tested beginning in May 2004.

Previously the Institute has benchmarked a series of heavy and light heavy-duty diesel engines. Pick-up trucks fall into the light heavy-duty category.

"We are offering another series of benchmarking evaluations to provide a better understanding of the wide variety of technologies being used," said Bob Burrahm, program manager in the Engine, Emissions and Vehicle Research Division. "We are a leader in the field of diesel engine benchmarking and technology development, as evidenced by SwRI's Clean Diesel IV Consortium, which focuses on developing new diesel technologies."

A subscription for the pick-up truck diesel engine data set is priced at $185,000. The program offers an extensive look at these engines and includes a 300-hour lubricant deterioration test; 200-point steady-state performance, heat rejection, and gaseous emissions map; 22 speed/load points with combustion and particulate data; European Stationary Cycle (ESC) and U.S. FTP transient testing; constant-speed transient response tests; engine teardown; and cylinder head flowbench testing. The data sets for the engines will be available online to program subscribers through a secure web server.

The three 2004 model year diesel engines selected for the program underwent significant revisions from the 2003 model year, in areas of increased power, increased torque, and revisions to the emissions control systems.

"We have expanded the scope of our program to offer even more information than our previous reports," Burrahm said. "We offer subscribers detailed photographs along with exhaustive evaluations. Subscribers also have the opportunity to contract with the Institute to expand the scope of the program on an individual basis for additional measurements and evaluations, if desired."

The SwRI benchmarking program has evaluated four heavy heavy-duty diesel engines: a Caterpillar C15 (ACERT™) diesel engine, a Detroit Diesel Series 60 (14 liter), Cummins ISX and Volvo VED-12; and three light heavy-duty engines: Cummins ISB, Ford/International 6.0 liter V-8 and Caterpillar C9 (ACERT™). The data sets for these seven engines are available online to program subscribers. New subscribers may still purchase these data sets. Results are accessed through a secure web server, which requires a user ID and password.

As an independent, multidisciplinary research, development and testing organization, SwRI provides an unbiased, third-party perspective. The SwRI Engine, Emissions and Vehicle Research Division achieved certification to ISO 9001, an internationally recognized quality standard, and ISO 14001 certification, an internationally recognized standard for environmental management systems.

For more information or to subscribe, visit the SwRI website at benchmarking.swri.org or contact Burrahm at (210) 522-3064 or rburrahm@swri.org. For more information about Clean Diesel IV, contact Daniel Stewart at (210) 522-3657, fax (210) 522-2019 or e-mail daniel.stewart@swri.org.

For more information, contact Tracey Whelan, Communications Department, (210) 522-2256, Southwest Research Institute, PO Drawer 28510, San Antonio, TX 78228-0510.

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