Brad Keselowski completed a spectacular comeback to take the NASCAR Sprint Cup victory at Fontana's Auto Club Speedway on the second green-white-checkered restart.Keselowski dived down the inside of Stewart-Haas' polesitter and long-time race leader Kurt Busch at Turn 1 and completed the move at the exit of Turn 2 on...

Mike Conway and Ed Carpenter Racing took part in a team test day at Sebring International Raceway this week in company with Chevrolet engineers.The dialogue during an extended break during the day included performance characteristics of the twin turbocharged 2.2-liter V-6 engine, handling on the abrasive 1.67-mile surface, shocks, balance,...