Spencer Clark has turned thousands of laps at Las Vegas Motor Speedway. But until Monday afternoon, all of those laps had been confined to the 3/8-mile Bullring and the road courses. Monday, the 18-year old Clark got his first taste of the 1.5-mile superspeedway as he took some test laps in preparation for his NASCAR Busch Series debut in the March 11 Sam’s Town 300. (Las Vegas Motor Speedway PR)(2-6-2006)
