page_title: Prince R380
section_title: Development
hierarchical_section_title: Prince R380 / Development
caption_attribution_description: English: Nissan GR-8 Engine in a R380 race car.
context_page_description: The Prince R380 was a racing car built in 1965 by Prince Motor Company to compete in the Japanese Grand Prix. Following the merger of Prince Motor Company and Nissan Motors in 1966, the R380 was modified into the Nissan R380-II.
context_section_description: In 1964, Prince had entered their new S54 Skyline GTs in the second Japanese Grand Prix, hoping to prove the performance potential of the car's new G-7 Straight-6.  Although the cars performed well, they were defeated by a privately entered Porsche 904 GTS, leaving the Skylines to take second through sixth positions.
  Realizing the superiority of the mid-engine layout used on the Porsche 904, Prince decided that a custom-built sports car would be needed to win the Japanese Grand Prix. A new aerodynamic body was built on a Brabham BT8 chassis; alloy panels were fabricated with exposed buttresses over the rear engine cover and fitted to Brabham chassis number SC-9-64.
  For an engine, Prince would use the same G engine that the Skylines had used, but adapted it specifically for racing. The new unit, known as GR-8, would be a 1996 cc Straight-6 that produced 200 hp (150 kW). A Hewland 5-speed racing gearbox would be used in the transmission.
  When Nissan took over the project, the bodywork of the R380 was completely redesigned. The rear buttresses were replaced with a flowing cockpit and engine cover, while the vents and ductwork of the car was further refined. Nissan was able to increase power in the GR8 engine to 220 hp (164 kW).
caption: Nissan/Prince GR-8 Engine
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