61.   Last September, when the series returned to New Hampshire for the first time after the tragedies, NASCAR mandated restrictor plates to slow speeds.

62.   Restrictor plates are used to reduce speeds at the high-banked Daytona oval, but that also tends to bunch up the cars.

63.   Talladega and Daytona International Speedway are the two NASCAR tracks where the sanctioning body mandates carburetor restrictor plates to slow the cars down.

64.   The Busch cars also run with restrictor plates.

65.   The Busch cars run with carburetor restrictor plates at Talladega, just like the Winston Cup cars, so the field remained tightly packed and competitive.

66.   The restrictor plates are gone, but passing could prove difficult nonetheless.

67.   There, NASCAR mandated a restrictor plate for additional safety on the track where drivers Adam Petty and Kenny Irwin Jr. were killed earlier this season.