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IndyCar Goes To Mandatory Twin-Turbo Setup For 2014

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Chevrolet's twin-turbo IndyCar V-6 engine

Chevrolet's twin-turbo IndyCar V-6 engine

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If you're not watching IndyCar racing, you should be. Yes, there are ovals, but there are also road courses on a regular basis, and whichever is on the weekend's docket, you're in for some of the best wheel-to-wheel racing anywhere on the planet. Next year, the competition should heat up even more with the move to mandatory twin turbochargers for the 2014 season.

The move is aimed at improving parity between engine makers. Chevrolet already uses twin turbos in its V-6 race engine, and has since 2012; Honda opted for a single turbo solution. The difference in performance between the Honda and Chevy engines has created its own source of drama, but things have settled down now.

"Both manufacturers displayed a willingness to use a common turbo spec for 2014, so it made sense to mandate a twin turbocharger that maintains the performance we've come to expect while keeping the technology relevant to the automotive industry," said IndyCar president of competition and operations Derrick Walker.

The turbochargers will be supplied by Borg Warner.

Formula 1 will be joining the ranks of the turbocharged open-wheel series for the 2014 season, though the teams are using a single front-mounted turbocharger. The F1 turbo 1.6-liter V-6 engines are also significantly smaller than the 2.2-liter IndyCar engines, but will be combined with KERS systems good for about 160 horsepower in addition to their own native 600 horsepower output, making them comparable to today's normally aspirated V-8s.

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