Honda Joins the Daytona Prototype ranks with latest racing application of production-based V6 engine in a Riley-Honda. Honda has expanded its attack on the 2014 TUDOR United SportsCar Championship, and will join the Daytona Prototype category with a Riley-Honda, above, for the first time later this month at the 62nd annual Mobil 1 Twelve Hours of Sebring. Honda has a history of success at the Florida endurance-racing classic, including LMP2 class victories in 2007, 2009, 2011, 2012 and 2013....