RACER.com's extensive coverage of the 24 Hours of Le Mans is presented by Circuit of The Americas. Visit circuitoftheamericas.com/wectudorAudi retook the lead of the Le Mans 24 Hours from Porsche in the 22nd hour of the event, as Mark Webber's 919 hit trouble.The #20 Porsche inherited the lead from the...

British race engine specialists Zytek and Judd are developing powerplants for the 2014 energy-based LMP1 formula.Zytek and Judd, which have had previous involvement in the P1 category, have revealed that they are working on normally aspirated V8s for next season. A 4.5-liter engine that incorporates technology from its Formula Renault...