Endurance racing is one of motorsports' toughest tests. In premier events like the 24 Hours of Le Mans, teams spend literally a full day and night racing, with this year's overall winner, a Ferrari ...

Racing Bulls has been handed a part-suspended fine for an unusual infringement in F1 Canadian Grand Prix practice.

NASCAR hosts its All-Star Race Weekend at Dover Motor Speedway with a unique set of rules and a $1 Million Prize.

There is no complex science behind what straight-cut gears are. It's exactly as it sounds, gears with teeth that run straight out from the center of the wheel, rather than slanting in a spiral. The ...

Balance of Performance can blunt the fastest cars, elevate the slowest, and completely rewrite the competitive order before a ...

IndyCar officiating just completely ripped up the bottom of the Indianapolis 500 starting grid. Just hours after the grueling ...

Acura provided accommodation for Ars for the Rolex 24 at Daytona. Ars does not accept paid editorial content. DAYTONA BEACH—Last week, ahead of the annual Rolex 24 at Daytona and the start of the ...