2011 GMC 6.2 Engine Specifications
The 2011 GMC 6.2 engine is a powerful and efficient option for various GMC models, particularly the Sierra and Yukon. This engine is part of the Vortec family and is known for its robust performance and reliability. Below are the detailed specifications of the 6.2-liter V8 engine.
| Specification | Details |
|---|---|
| Engine Type | V8, Gasoline |
| Displacement | 6.2 liters (378 cubic inches) |
| Horsepower | 403 hp @ 5,700 RPM |
| Torque | 417 lb-ft @ 4,300 RPM |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Type | Regular unleaded (87 octane) recommended |
| Valvetrain | DOHC with VVT (Variable Valve Timing) |
| Block Material | Cast iron |
| Cylinder Head Material | Aluminum |
| Maximum Engine Speed | 6,200 RPM |
Engine Configuration
The 2011 GMC 6.2 engine features a V8 configuration, which is known for its balance of power and smooth operation. This engine is equipped with advanced technologies that enhance performance and efficiency.
Key Features of the Engine Configuration
- V8 layout provides a strong power-to-weight ratio.
- Variable Valve Timing (VVT) optimizes performance across a range of RPMs.
- Aluminum cylinder heads contribute to reduced weight and improved thermal efficiency.
- Electronic Fuel Injection (EFI) ensures precise fuel delivery for better fuel economy and emissions control.
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the 2011 GMC 6.2 engine. Here are the recommended engine oil specifications.
| Specification | Details |
|---|---|
| Oil Type | Synthetic 5W-30 |
| Oil Capacity (with filter) | 8 quarts (7.6 liters) |
| Oil Change Interval | 7,500 miles (12,000 km) or 12 months, whichever comes first |
Service Intervals
Regular maintenance is essential to keep the 2011 GMC 6.2 engine running smoothly. Below are the recommended service intervals for various maintenance tasks.
Recommended Service Intervals
- Oil Change: Every 7,500 miles or 12 months
- Air Filter Replacement: Every 30,000 miles
- Fuel Filter Replacement: Every 30,000 miles
- Spark Plug Replacement: Every 100,000 miles
- Coolant Flush: Every 50,000 miles
- Transmission Fluid Change: Every 50,000 miles
Conclusion
The 2011 GMC 6.2 engine is a well-engineered powerplant that combines performance, efficiency, and reliability. Understanding its specifications, configuration, and maintenance requirements is essential for owners looking to maximize the lifespan and performance of their vehicle. Regular service and the use of the recommended engine oil will ensure that this robust engine continues to deliver the power and performance that GMC is known for.
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