2001-2004 LB7 Duramax
GM’s 6.6L Duramax brought common-rail injection, aluminum heads, and 300 hp to the diesel truck segment.
Month: April 2023
2004.5-2006 LLY Duramax
The LLY Duramax moved the injectors above the valve covers and replaced the IHI turbo with a Garrett VGT.
2006-2007 LBZ Duramax
Higher injection pressure, lower compression, and best-in-class horsepower and torque made the LBZ a home run for GM.
2007.5-2010 LMM Duramax
Essentially an LBZ with more emissions equipment, the LMM Duramax added a DPF on top of EGR.
2011-2016 LML Duramax
The LML brought higher injection pressure, improved horsepower and torque, and SCR emissions technology to the Duramax line.
2017-2024 L5P Duramax
A Denso fuel system, an in-tank lift pump, a billet wheel BorgWarner VGT, and more than 900 lb-ft of torque made the L5P Duramax competitive right out of the gate.
Rudy’s Spring Truck Jam
Rudy’s Spring Truck Jam heads back to the Rock in 2026—and once again the spring blockbuster kicks off the Outlaw Diesel Super Series drag race season.