Monday, February 28, 2011

NASCAR Makes Another Small Rule Change for Daytona 500

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DAYTONA BEACH, Fla. (AP) -- NASCAR has made another change to cars for the Daytona 500, this one because temperatures are expected to reach 80 degrees Sunday during the season-opening race.

Sprint Cup officials say teams can add an extra inch to grill openings, allowing more air to flow to engine-cooling radiators.

The change was made following the final practice session Saturday and should help drivers keep their engines cooler at speeds nearing 200 mph around Daytona International Speedway on Sunday.

NASCAR made three changes earlier in the week, reducing the size of the horsepower-sapping restrictor plates, adding a pressure-relief valve to cooling systems and reducing the size of grill openings. The moves were made to slow downs cars after speeds topped 206 mph.

The 43-car field will take the green flag at about 1:15 p.m. ET.

Copyright 2011 The Associated Press. The information contained in the AP news report may not be published, broadcast, rewritten or otherwise distributed without the prior written authority of The Associated Press. Active hyperlinks and other supplemental copy have been inserted by AOL.


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