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 5.3L Vortec V8 engine commonly found in Chevy trucks, like the Silverado ... engine had many variations from 2009 to 2019, like the LQ4 and LY6. The engine has an output of 300-345 horsepower ...