The Toyota RI is a family of prototype

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

2.0-litre single-

turbocharge In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

d inline-4

racing In sport, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific goa ...

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power gen ...

s, developed and produced by

Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...

, for the

Super GT series Super GT (stylized as SUPER GT) is a grand touring car racing series that began in 1993. Launched as the , generally referred to as either the JGTC or the All Japan Grand Touring Car Championship, the series was renamed to Super GT in 2005. It is ...

and

Super Formula The Japanese Super Formula Championship is a formula racing series. It is considered as being the top level of single-seater racing in Japan and regional motorsports in Asia. The series is sanctioned by the Japan Automobile Federation (JAF) an ...

under the Nippon Race Engine framework. The RI engine is fully custom-built.

Versions

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. *RI4A (2014–present, also known as TRD-01F) *RI4AG (2014–present)

Applications

Dallara SF14 The Dallara SF14 is a Open-wheel car, single-seater open-wheel chassis made by Italian manufacturer Dallara for the Super Formula series in Japan. It was introduced for the 2014 Super Formula season, 2014 season and used until the 2018 Super Formu ...

* Dallara SF19 *

Dallara SF23 The Dallara SF23 is an open-wheel single-seater chassis produced by Dallara for use in the Japanese Super Formula Championship. It is set to debut in 2023, replacing the Dallara SF19 chassis as the main chassis used in Super Formula. History ...

* Lexus RC F GT500 * Lexus LC 500 GT500 * Toyota GR Supra GT500

References

{{Reflist Engines by model Gasoline engines by model Toyota engines Four-cylinder engines Straight-four engines Toyota in motorsport

Versions

Applications

See also

References