NASCAR

NASCAR

@NASCAR

Official news and info on races, drivers, teams and industry events. We also tweet from . Follow the best #NASCAR tweets: twitter.com/#NASCAR

Daytona Beach, FL · http://www.nascar.com

Tweets All / No replies

A total of 47 cars tested today. 43 were 2012 cars; 4 were 2013 machines.

Top 10 in testing today: Biffle, Mark Martin, Kahne, Ambrose, Kurt Busch, Almirola, Edwards, Kenseth, Smith, Menard.

Today's testing will now end at 5:30 p.m. CT, pushed back 30 minutes from original 5 p.m. scheduled completion.

Tower tells spotters to have their drivers come to the cars. On-track testing should begin shortly.

Track drying continues . No timetable on the start of today's testing just yet. Keep following for updates.

Catch an hour-long interview with President Mike Helton Thursday at 6 pm ET on

Beginning next season, there will be up to four tests per organization at tracks at which the series competes.

Sprint Cup qualifying will move to 36-6-1: 36 fastest cars, next 6 highest cars in owners points, last spot for past champion

announced competition changes for 2013 including a new qualifying format in NSCS, open testing and new max field...

Loading seems to be taking a while.

Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.