Byline: David Poole
INDIANAPOLIS _ Two of the most famous surnames in American motorsports _ Mears and Earnhardt _ sped to the forefront Saturday in qualifying for the Brickyard400 at Indianapolis Motor Speedway.
Casey Mears, whose uncle Rick won the Indianapolis 500 four times, smashed the stock-car track record with a lap at 186.293 mph to win a Nextel Cup pole for the second straight week.
And Dale Earnhardt Jr., whose father, Dale, won seven Cup championships and the Brickyard400 in its second year in 1995, qualified fifth fastest in his No. 8 Chevrolet as he tries to reverse a slump he said hit his team well before he was burned in a crash three …