2008 Silverado 6.0 LY6 Vortec Engine and 4×4 6L90 Transmission Liftout Swap – 65K Miles

2008 Silverado 6.0L LY6 Vortec Engine and 4×4 6L90 Transmission Liftout Swap – 65K Miles

This 2008 Chevrolet Silverado powertrain package combines the 6.0L LY6 Vortec V8 with a 6L90 six-speed automatic transmission in a four-wheel-drive configuration. The LY6 is an iron-block, LS-based GM truck engine designed for strong torque and demanding truck applications.

The 6L90 transmission provides six forward speeds and electronic control, making it suitable for compatible heavy-duty trucks and performance projects. As a liftout swap package, the engine and transmission offer a starting point for a replacement or custom installation. The mileage is listed at approximately 65,000 miles and should be independently verified.

Compatible Chevrolet Applications

• Silverado 2500HD
• Silverado 3500HD
• Silverado 1500, where engine and transmission configurations match
• Suburban 2500, subject to drivetrain compatibility
• Express vans with compatible powertrain configurations
• C/K and classic Chevrolet truck swap projects

Compatible GMC Applications

• Sierra 2500HD
• Sierra 3500HD
• Sierra 1500, where configurations match
• Yukon XL 2500, subject to drivetrain compatibility
• Compatible GMC truck and SUV projects

Popular Swap Applications

• Chevrolet C10 and square-body truck builds
• GMC classic truck restorations
• Heavy-duty performance truck projects
• Off-road and four-wheel-drive builds
• Restomods, street rods, and custom LS-based swaps

Engine and Transmission Highlights

• Engine: 6.0L GM LY6 Vortec V8
• Model year: 2008
• Transmission: GM 6L90 six-speed automatic
• Drivetrain: 4×4 configuration
• Mileage: Approximately 65,000 miles, as listed
• Engine block: Cast iron
• Control system: Electronic engine and transmission management
• Ideal for: Compatible truck replacements, heavy-duty builds, and 4×4 swaps