July 4 2013 Daytona Coke Zero 400 Practice #1 Speeds and 10 Lap Averages Ryan Rantz NASCAR News, Practice Speeds 10 Lap Speeds, Average Speeds, Daytona 10 Lap Averages, Daytona Coke Zero 400, Daytona Coke Zero 400 Practice #1 Speeds and 10 Lap Averages, Daytona Practice Speeds, NASCAR Daytona Coke Zero 400 Practice #1 Speeds and 10 Lap Averages (PDF) More