So you think the 2010 Ford Mustang Shelby GT500 is badass? Well the 2011 model just beat -- no, obliterated -- its lap time record at Virginia International Raceway by a whopping nine seconds. Autoblog reports: “Ford's engineers had it in their minds that the new aluminum block with its 120-pound weight savings should help the car click off the 4.1-mile Grand West portion of the track about three seconds quicker than ... Read more of this story at U.S.