NASCAR concluded its three-day test at Daytona International Speedway on Saturday in preparation for 55th Daytona 500.
In the final hour of Pre-Season Thunder, Greg Biffle topped the speed chart for single car runs with a lap of 194.936 mph. Dale Earnhardt Jr. logged the most laps (57) in the final test session, but his top speed of 194.405 mph was only the fourth-fastest behind Joe Gibbs Racing teammates Matt Kenseth (194.717) and Kyle Busch (194.578). Juan Pablo Montoya rounded out the top five with a lap of 194.158 with his Hendrick Engines-powered car.
Biffle's fellow Ford driver -- and 2011 Daytona 500 winner -- Trevor Bayne posted the fastest lap in the draft during the main pack test on Friday afternoon with a speed of 199.650 mph. However, once Earnhardt triggered a 12-car crash later in the session, teams shied away from multi-car action because of a low inventory of the new Generation 6 cars.
Out of the 34 teams that started the test in preparation for the 2013 Daytona ...