ENGINE — 2UZ-FE ENGINE 31 ENGINE SPECIFICATIONS AND PERFORMANCE CURVE (HP) kW 180 :2UZ-FE :1FZ-FE 240 220 160 200 140 N·m (ft·lbf) 330 310 290 270 250 230 210 180 120 440 420 400 380 360 340 320 300 160 Torque 140 100 Output 120 100 80 80 60 60 40 40 20 20 0 0 1000 2000 3000 4000 5000 Engine Speed (rpm) 156EG21 Engine Item 2UZ-FE (LX470) 1FZ-FE (’97 LX450) No. of Cyls. & Arrangement 8-Cylinder, V Type 6-Cylinder, In-Line Valve Mechanism 32-Valve, DOHC, Belt & Gear Drive 24-Valve, DOHC, Chain & Gear Drive Combustion Chamber Pentroof Type Manifolds Cross-Flow Fuel System SFI Displacement cm3 (cu.
in.) 4664 (284.5) 4477 (273.1) Bore Stroke mm (in.) 94.0 84.0 (3.70 3.31) 100.0 95.0 (3.94 3.74) Compression Ratio 9.6 : 1 9.0 : 1 Max. Output [SAE-NET] 172 kW @ 4800 rpm (230 HP @ 4800 rpm) 158 kW @ 4600 rpm (212 HP @ 4600 rpm) Max. Torque [SAE-NET] 434 N·m @ 3400 rpm (320 ft·lbf @ 3400 rpm) 373 N·m @ 3200 rpm (275 ft·lbf @ 3200 rpm) Valve Timing Intake Open 3 BTDC 5 BTDC Close 36 ABDC 40 ATDC Exhaust Open 46 BBDC 40 BBDC Close 3 ATDC 5 ATDC Fuel Octane Number (RON) 96 91 Oil Grade API SH EC-II, SJ EC or ILSAC