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Brendan Hartley (78), of New Zealand, drives the Dinan/Riley through a turn and passes Matt Griffin, of Ireland, in the Spirit of Race Ferrari 458 Italia, during the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Jan. 25, 2014.(AP Photo/John Raoux)

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Oswaldo Negri Jr. (60), of Brazil, in the Michael Shank Racing Riley DP, and Andy Merick (0), of England, in the DeltaWing DWC13, drive though the front stretch in the early laps of IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Jan. 25, 2014.(AP Photo/John Raoux)

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Dan Gurney, front, driving the GAINSCO Corvette DP leads the rest of the field to start the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Jan. 25, 2014.(AP Photo/John Raoux)

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Scott Dixon, of New Zealand, drives the Ganassi Riley DP out of a turn as he leads the IMSA Series Rolex 24 hour auto race in the early hours at Daytona International Speedway in Daytona Beach, Fla., Saturday, Jan. 25, 2014. (AP Photo/John Raoux)

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Ricky Taylor dives the Corvette DP out of the horseshoe turn during the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Jan. 25, 2014. (AP Photo/John Raoux)