The Ford Sierra RS Cosworth is a high-performance version of the Ford Sierra that Ford Europe built from 1986 to 1992. It grew out of a Ford Motorsport project, defined by Stuart Turner in the spring of 1983, to produce an outright winner for Group A racing in Europe. Cosworth supplied a turbocharged twin-cam 16-valve engine, designated the YBB, developed from its YAA prototype on Ford's Pinto engine block, and Ford accepted an order of at least 15,000 engines, which later helped justify a four-door second generation. A Borg-Warner T5 gearbox was chosen, and the large rear wing and wheel arch extensions were needed to keep the car stable at high speed.
Facts
Engine Class EngineTurbocharged Cosworth YBB twin-cam 16-valve engine 1 Ford Sierra RS Cosworth
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Source Ford Sierra RS Cosworth (Wikipedia)
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Source Ford Sierra RS Cosworth (Wikipedia)
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Source Ford Sierra RS Cosworth (Wikipedia)LeadQuote, Lead
The Ford Sierra RS Cosworth is a high-performance version of the Ford Sierra that was built by Ford Europe from 1986 to 1992.
Sources
1. Ford Sierra RS Cosworth (Wikipedia)
Lead
The Ford Sierra RS Cosworth is a high-performance version of the Ford Sierra that was built by Ford Europe from 1986 to 1992.
Development
Subsequently, an official request for a turbocharged version (designated Cosworth YBB) capable of 180 HP on the street and 300 HP in race trim, was placed.
Infobox: body_style
3-door hatchback (1986-1987), 4-door saloon (1988-1992)
Infobox: engine
2.0 L Cosworth YBD/YBG/YBJ turbocharged I4
View the SourceCosworth (Wikipedia)
Has Part: Cosworth YB series, The YB series, applicationQuote, Has Part: Cosworth YB series, The YB series, application
introduced in the road-going Ford Sierra RS Cosworth in 1986
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