Changes to Preseason Thunder Testing and Sprint Cup Cars for Daytona 500

Preseason Thunder Test is Jan. 12-13-14 at Daytona International Speedway

Final preparations for 2012 Speedweeks, in particular, the running of the 54th annual  Daytona 500 – Sunday, Feb. 26


Rules package is a result of information gathered during recent tests at Talladega (October) and Daytona (November)


Rules package includes:

  • Smaller radiator –  Maximum of 2 gallon capacity
  • Smaller overflow tank – Maximum capacity of ½ gallon
  • Radiator inlet is moved up closer into the front center bumper area
  • Rate reduction in the springs – softer springs
  • Smaller rear spoiler
  • Base line restrictor plate of 29/32 inch (1/64 inch larger than plate size for the 2011 Daytona 500)