Sierra Sierra chooses Turbosmart


There aren’t many Time Attack teams in the world with as high a profile as the Nevada-based Sierra Sierra Enterprises. Their infamous carbon fibre EVO 8 holds a number of lap records in the USA and only narrowly missed out on the title of the World Time Attack Champion earlier this year at the World Time Attack Challenge in Australia.

Powered by a Cosworth/Mitsubishi 4G63 2.2L (off the shelf short block), the car develops 680hp at all four wheels. Borg Warner’s new EFR turbo provides the boost with Turbosmart wastegates controlling it.

“Turbosmart puts a tremendous amount of development and knowledge into their products and the Sierra Sierra Time Attack Team is excited to be a part of this effort” said Richard Raeder – Team Manager of Sierra Sierra Enterprises.

Marty Staggs, General Manager of Turbosmart USA added: “Time Attack is an extremely demanding form of motorsport. It places extraordinary pressure on the products for a prolonged period of time. Teaming up with the Sierra Sierra Team is a perfect way to demonstrate the performance and durability of our products.”

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