Looks like GM is planning a December announcement, too... more power and torque for the Duramax. Wonder who'll win?
http://forum.thedieselpage.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=007137
http://forum.thedieselpage.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=007137
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