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 2001 GMC Sierra 1500HD came exclusively with a 6.0-liter Vortec V-8 engine generating 300 horsepower and 360 pound-feet of torque. Paired with a four-speed automatic transmission, the Sierra ...
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