Sources: NASCAR eyes drafting limits
CHARLOTTE, N.C. -- NASCAR is looking at further changes in order to reduce the amount of two-car drafting in time for the 2012 Daytona 500, sources close to the situation said Thursday.
NASCAR has made two changes designed to affect drafting at Sunday's race at Talladega Superspeedway, enlarging the size of the restrictor plate hole to increase speed and adjusting the pop-off valve in the cooling system to increase the threat of overheating. However, the changes did not work as hoped and ...
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