Find Your Engine
Donor vehicles, pricing, and what to look for at the junkyard
Year Differences
14 categories of changes across 8 production years
Transmission Options
AR5, T56, 4L60E, TH400, adapters, and flywheels
Power Building
Proven combinations from NA to 1000+ WHP
Turbo Setup
Manifolds, sizing, tuning, and oil systems
Critical Upgrades
Oil feed mod, injectors, coils, and more
New to the LL8?
Start with Donor Vehicles to find an engine, then check Year Differences to understand what parts you have. The Power Building Guide will help you plan your build from day one.