Daytona Beach, FL — As the halfway point of the 2011 NASCAR Sprint Cup season nears, drivers running on Purolator filters continue to perform The powerful Hendrick Motorsports Chevrolet Impala team running on Purolator filters has three drivers in solid positions among the top-12 spots. Five-time defending Cup champion Jimmie Johnson is currently sixth in points followed in order by his Hendrick teammates Dale Earnhardt, Jr. (7th) and four-time Cup champion Jeff Gordon (8th).