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