L86 6.2 ENGINE

GM L86 6.2L V8 Engine

The L86 6.2L V8 is a Gen V GM EcoTec3 engine designed to deliver a strong combination of horsepower, torque, efficiency, and everyday drivability. With its 6.2-liter displacement and modern GM architecture, the L86 provides an excellent foundation for truck, SUV, performance, and custom applications.

The L86 features direct fuel injection, Variable Valve Timing (VVT), Active Fuel Management (AFM), and an aluminum block, making it a modern and highly capable GM V8 platform. Its 6.2L displacement also provides excellent low-end and mid-range torque, making it well suited to both heavy vehicles and performance builds.

Compatible Chevrolet Applications

Depending on the exact model year and configuration, the L86 was commonly used in:

• Chevrolet Silverado 1500
• Chevrolet Tahoe
• Chevrolet Suburban
• Chevrolet Yukon-related GM platforms
• Chevrolet Avalanche-based custom applications
• Other compatible GM 6.2L applications

Compatible GMC Applications

Common GMC applications include:

• GMC Sierra 1500
• GMC Yukon
• GMC Yukon XL
• GMC Yukon Denali
• GMC Sierra Denali

Compatible Cadillac Applications

The L86 platform is also associated with select Cadillac applications, including:

• Cadillac Escalade
• Cadillac Escalade ESV
• Cadillac Escalade EXT

Popular Custom & Swap Applications

The L86 is also popular for:

• Silverado performance builds
• Sierra performance builds
• C10 and classic GM truck swaps
• Square-body Chevrolet truck projects
• Restomod builds
• Muscle car engine swaps
• Street performance vehicles
• Pro-touring projects
• Custom GM performance builds
• High-performance truck applications

Engine Highlights

• 6.2L V8 displacement
• GM Gen V small-block architecture
• Aluminum engine block
• Direct fuel injection
• Variable Valve Timing (VVT)
• Active Fuel Management (AFM)
• Strong torque output
• Modern electronic engine management
• Excellent aftermarket and swap potential
• Suitable for replacement and performance applications