GKN Driveline Torque Technology has developed a version of its high-performance helical limited slip differential (LSD) for Renault’s new limited-edition Megane F1 Team-R26.

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Developed in Japan, GKN Driveline’s Helical LSD provides improved traction, handling and all-around dynamic performance for high-performance cars. The company has been supplying Japanese manufacturers with the differential since 1995, but the French project is the first application for a European manufacturer.


The helical LSD fits inside the transmission of the 230-horsepower, front-wheel-drive model. The differential provides consistent performance, low backlash and compatibility with antilock brake and electronic stability control systems.


“Renault first contacted us about the specifications needed for the limited slip differential in March 2005, which is a pretty short lead time for a project such as this,” said Graeme Walford, managing director of GKN Driveline Torque Technology. “We were able to modify an existing unit and produce the right package on time.”


During GKN Driveline’s initial design study, the company’s engineers noticed that Renault’s gearbox was similar to one already in use by Nissan. The group’s European engineering centre in Lohmar, Germany, modified its existing design for use by Renault on the Megane.


GKN Driveline delivered prototype units to Renault in late 2005 and testing confirmed that the diff gave a performance boost to front wheel drive cars.


“The successful project demonstrates that GKN Driveline has the global presence where we can take our specific product strengths – in this case from our Japanese operation – and make products available for our other customers,” Walford added.


The latest Megane variant was shown for the first time at the 2006 Paris motor show this autumn. Production of the near-$US36,500 ‘limited edition’ vehicle has begun and will continue as long as customer demand warrants, according to Renault.

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