Toyota R engine

Toyota R engine
Modified 18R-G engine in a 1974 Toyota Corona Hardtop
Overview
ManufacturerToyota
Production1953–1997
Layout
ConfigurationInline-four
Cylinder block materialCast Iron
Cylinder head materialCast Iron
Aluminium
ValvetrainOHV 2 valves per cyl
SOHC 2 valves per cyl
DOHC 2 valves per cyl
Valvetrain drive systemTiming Chain
Compression ratio7.5:1-10.0:1
Combustion
TurbochargerHitachi CT20 on 22R-TE only
Fuel systemCarburetor
Multi-port fuel injection
Fuel typeGasoline
Oil systemWet sump
Cooling systemWater-cooled
Output
Power output45–101 kW (61–137 PS; 60–135 hp)
Torque output108–234 N⋅m (80–173 lb⋅ft)

The Toyota R family was a series of inline-four gasoline automobile engines. Designed for longitudinal placement in such vehicles as the Celica and Hilux and in production from 1953 through 1997, usage faded out as many of Toyota's mainstream models moved to front-wheel drive. Overhead cam (OHC) versions featured a chain-driven camshaft.