LX470 — NEW FEATURES 8 2UZ-FE ENGINE 1. General The 2UZ-FE engine is a V8, 4.7-liter, 32-valve DOHC engine. The VVT-i (Variable Valve Timing-intelligent), ACIS (Acoustic Control Induction System), and AI (Air Injection) system are added to the engine to achieve high performance and reduce exhaust emissions. For details, see the major difference on page 11. 030LX27Y 030LX28Y