Toyota NZ engine | |
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Overview | |
Manufacturer | Toyota |
Designer | Yasushi Nouno, Hiroshi Tada, Toshifumi Takaoka[4] |
Production | |
Layout | |
Configuration | Naturally aspirated Straight-4 |
Displacement |
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Cylinder bore |
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Piston stroke |
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Cylinder block material | Aluminium |
Cylinder head material | Aluminium |
Valvetrain | DOHC 4 valves per cylinder with VVT-i |
Valvetrain drive system | Timing Chain |
Compression ratio |
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Combustion | |
Turbocharger | IHI RHF4 turbo with intercooler |
Fuel system | Sequential fuel injection |
Fuel type | |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 55–113 kW (75–153 PS; 74–151 hp) |
Torque output | 111–206 N⋅m (82–152 lb⋅ft; 11–21 kg⋅m) |
Chronology | |
Predecessor |
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Successor | Toyota NR engine |
The Toyota NZ engine family is a straight-4 piston engine series. The 1NZ series uses aluminum engine blocks and DOHC cylinder heads. It also uses sequential fuel injection, and has 4 valves per cylinder with VVT-i.
The engines are produced by Toyota's Kamigo Plant in Toyota, Aichi, Japan (for Prius, Vitz, ist and Sienta);[2] by Siam Toyota Manufacturing in Chonburi, Thailand (1NZ for Yaris and Vios);[5][6] and by Indus Motor Company in Karachi, Pakistan (2NZ for Corolla).[5]
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