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GM Joins CVT Race - Brief Article - Statistical Data Included

Automotive Industries, Sept, 1999 by Dale Jewett

General Motors Corp. says it will add an internally developed, Van Doome type continuously variable transmission to its small-car powertrain arsenal. The CVT will debut in some 2002 model year vehicles, but not necessarily in the U.S. It will, however, be a high-volume program requiring at least 100,000 units a year.

GM claims its CVT offers a 7% fuel economy gain and a better 0-60 mph time vs. a four-speed automatic, or step-ratio, transmission.

Harvey Won, transmissions engineering director for GM Powertrain, says the CVT's Use will be limited to four-cylinder engines with a torque output of less than 170 pounds-feet.

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For bigger engines, GMs strategy will be to use more five-speed electronically controlled automatics, Won says.

COPYRIGHT 1999 Cahners Publishing Company
COPYRIGHT 2000 Gale Group

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