| Toyota RZ engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Toyota Motor Corporation |
| Production | 1989–2004 |
| Layout | |
| Configuration | Naturally aspirated Straight-4 |
| Cylinder bore |
|
| Piston stroke |
|
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminum |
| RPM range | |
| Max. engine speed | 5,500 |
| Combustion | |
| Fuel system | Electronic fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 101–150 hp (75–112 kW; 102–152 PS) |
| Torque output | 118–177 lb⋅ft (160–240 N⋅m) |
| Chronology | |
| Predecessor | |
| Successor | Toyota TR engine |
The Toyota RZ engine family is a straight-four piston engine series built in Japan. The RZ series uses a cast-iron engine block and aluminum SOHC or DOHC cylinder heads. It has electronic fuel injection (EFI), 2 or 4 valves per cylinder and features forged steel connecting rods.