Playboy Enterprises threw its bunny ears and tails in the ring for the 2006-2008 Grand American Rolex Sports Car Series, announcing a six-car effort that includes Ford- and Pontiac-powered prototypes and Ford Mustang GT and Nissan 350Z Cup cars. The cars will make their inaugural run at the 2006 Rolex 24 At Daytona and continue through the 2008 season. Of course, we'll be watching — but only for the articles.

Playboy Goes Full Speed With Grand American Racing [MPH]

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