The torque on a Duramax LB7 is 520 pound-foot. The LBZ is 650 and the LMM is 660. The horsepower on a Duramax is 300.
A 2002 Chevy duramax has 300 horsepower stock
The 2006 Duramax has 360 HP.
300hp
365
365
300hp
300hp
i think it puts out about 365 horsepower stock
310hp
the 03 duramax had 300 horsepower and 520 ftlb of torque with the Allison transmission and the manual zf-6 transmission.
300hp
The strongest Duramax ever is the 2011 Duramax that will be coming out in Summer of 2010. It produces 397 horsepower and 765 pound feet of torque. But the truck that this 6.6L sits in still can't tow or haul as much as Ford's new 6.7L Powerstroke which produces less power, at 390 horsepower and 735 pound feet of torque.