Toyota RZ engine

Toyota RZ engine
Overview
ManufacturerToyota Motor Corporation
Production1989–2004
Layout
ConfigurationNaturally aspirated Straight-4
Cylinder bore
  • 86 mm (3.39 in)
  • 95 mm (3.74 in)
Piston stroke
  • 86 mm (3.39 in)
  • 95 mm (3.74 in)
Cylinder block materialCast iron
Cylinder head materialAluminum
RPM range
Max. engine speed5,500
Combustion
Fuel systemElectronic fuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output101–150 hp (75–112 kW; 102–152 PS)
Torque output118–177 lb⋅ft (160–240 N⋅m)
Chronology
Predecessor
SuccessorToyota 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.