LL8 / Vortec 4200 / Atlas-Petrol / Straight-6 / General Motors

Explore the LL8 Engine Technical Specifications

The car engine is the heart of any vehicle, converting fuel into mechanical energy that powers the car's movement. It's important to understand that there are different types of car engines, each with its own advantages and disadvantages. Gasoline engines are the most widely used and offer high power output and smooth operation. Diesel engines are more fuel-efficient and are commonly used in trucks and heavy-duty vehicles. Hybrid and electric engines offer increased fuel efficiency and reduced emissions, making them popular choices for eco-conscious drivers.

In addition to engine types, there are also different engine displacements available. Small engines offer increased fuel efficiency but may lack power and acceleration capabilities. Medium engines offer a balance of power and efficiency, while large engines provide high power output and acceleration but consume more fuel and produce higher emissions. Choosing the right engine displacement is important and depends on factors such as the intended use of the vehicle, personal preference, and budget.

• Engine Manufacturer

  General Motors

• Displacement

  4.2L I-6

• Engine Family

  Atlas

• Engine Series

  Vortec 4200

• Vehicles using LL8 engine

  • 2009 Chevrolet TrailBlazer
  • 2009 GMC Envoy
  • 2008 Chevrolet TrailBlazer
  • 2008 GMC Envoy
  • 2007 Chevrolet TrailBlazer
  • 2007 GMC Envoy
  • 2006 Chevrolet TrailBlazer
  • 2006 GMC Envoy
  • 2005 Chevrolet TrailBlazer
  • 2005 GMC Envoy
  • 2004 Chevrolet TrailBlazer
  • 2004 GMC Envoy
  • 2003 Chevrolet TrailBlazer
  • 2003 GMC Envoy
  • 2002 Chevrolet TrailBlazer
  • 2002 GMC Envoy

• Fuel Type

  Petrol

Technical Liquids

Technical liquids such as engine oil and coolant are critical components in ensuring the proper functioning and longevity of a car engine. Engine oil lubricates the moving parts of the engine, reducing friction and wear, while coolant regulates engine temperature by absorbing heat and transferring it to the radiator for dissipation.

Regularly monitoring the quantity and quality of these liquids is essential to ensure that the engine operates efficiently and reliably. Engine oil levels should be checked regularly and changed at recommended intervals, as old or insufficient oil can cause engine damage and reduce performance. Coolant levels should also be monitored regularly and replaced according to the manufacturer's recommendations, as low coolant levels can cause overheating and potential engine damage.

• Oil Viscosity

  • Viscosity 5W-30

• Wondering how much oil to put in your engine? Check here:

  • Chevrolet TrailBlazer
  • GMC Envoy

• Coolant Capacity

  7.0 - 13.8 quarts

• LL8 Generations

  Predecessors
  • L52
  • LK5

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  Successors
  • LLR
  • LLV