|Sprint Cup Series practice will run Thursday for two hours.|
Teams will practice from 11 a.m. to 1 p.m. on the bumpy 1.5-mile track in preparation for Saturday night's 400-mile Sprint Cup headliner. Drivers will be trying out new specifications designed to reduce downforce and produce more passing. Rear spoiler heights were reduced from 6 to 3.5 inches, the front splitter was expanded by 25 inches and an overhang reduced by 1.75 inches.
Though intermittent showers let up enough to provide hope of an evening practice, NASCAR spokesman Kerry Tharp said lingering wet spots forced the postponement.
"There were weepers in multiple areas," Tharp said. "We kept at it and kept at it, and it just wasn't conducive for us to put on practice."
Wednesday's weather issues follow Sunday night's race at Daytona that was delayed by rain until just before midnight.
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