Starting in 1999, heavy duty pickup trucks and large SUVs from Chevrolet and GMC would get a new LS-based engine, the LQ4. The 6.0-liter LQ4, commonly known as the Vortec 6000, was a version of ...
The 6.0L Vortec V8 engine had many variations from 2009 to 2019, like the LQ4 and LY6. The engine has an output of 300-345 horsepower and 360-380 lb-ft of torque. The engine has been improved over ...