Engine Model Document 5.3L GDI Owner's Manual 6.0L MPI Owner's Manual 6.2L GDI Owner's Manual 7.4L MPI Owner's Manual One-Drive 5.3L GDI-S Owner's Manual One-Drive 6.0L MPI-S Owner's Manual One-Drive 6.2L GDI-S Owner's Manual One-Drive 7.4L MPI-S Owner's Manual