Toyota RI | |
Manufacturer: | Toyota Gazoo Racing |
Production: | 2014–present |
Configuration: | Inline-4 |
Displacement: | 2L |
Bore: | 86- |
Stroke: | Free but typically approximately between 86- |
Length: | 600mm |
Width: | 697mm |
Height: | 693mm |
Block: | Die cast steel or aluminium alloy. Machining process from a solid is not permitted |
Head: | Die cast steel or aluminium alloy |
Valvetrain: | DOHC 16-valve (four-valves per cylinder) |
Turbocharger: | Single-turbocharged by Garrett Advancing Motion with 3.5bar of turbo boost pressure |
Compression: | 15:1 |
Power: | NaNPS[1] |
Coolingsystem: | Single mechanical water pump feeding a single-sided cooling system |
Weight: | 187lb including turbocharger |
Fuelsystem: | Bosch HDEV6 350bar 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 |
Fueltype: | Various (102 RON unleaded racing gasoline) |
Oilsystem: | Dry sump |
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]
The RI engine comes in two different versions for different applications; the RI4A for use in Super Formula and the RI4AG for use in Super GT.