Toyota RI engine

Toyota RI
Toyota RI
Overview
Manufacturer	Toyota Gazoo Racing
Production	2014–present
Layout
Configuration	Inline-4
Displacement	2.0 L (122 cu in)
Cylinder bore	86–90 mm (3.39–3.54 in)
Piston stroke	Free but typically approximately between 86–90 mm (3.39–3.54 in)
Cylinder block material	Die cast steel or aluminium alloy. Machining process from a solid is not permitted
Cylinder head material	Die cast steel or aluminium alloy
Valvetrain	DOHC 16-valve (four-valves per cylinder)
Compression ratio	15:1
Combustion
Turbocharger	Single-turbocharged by Garrett Advancing Motion with 3.5 bar (51 psi) of turbo boost pressure
Fuel system	Bosch HDEV6 350 bar (5,076 psi) central high-pressure gasoline direct fuel injection. One direct injector per cylinder fed by an engine-driven high-pressure fuel pump
Management	Bosch Motronic MS 7.4
Fuel type	Various (102 RON unleaded racing gasoline)
Oil system	Dry sump
Cooling system	Single mechanical water pump feeding a single-sided cooling system
Output
Power output	550–679.8 PS (542–671 hp; 405–500 kW)
Torque output	500–700 N⋅m (370–520 lbf⋅ft)
Dimensions
Length	600 mm (23.62 in)
Width	697 mm (27.44 in)
Height	693 mm (27.28 in)
Dry weight	187 lb (85 kg) including turbocharger

The Toyota RI is a family of prototype four-stroke 2.0-litre single-turbocharged inline-4 racing engines, developed and produced by Toyota, for the Super GT series and Super Formula under the Nippon Race Engine framework. The RI engine is fully custom-built.^[2]^[3]

Quick Facts Overview, Manufacturer ...

Versions