It didn't happen as Montoya finished two laps down in 20th and McMurray right behind in 21st.
For much of this race, it looked as if Biffle wouldn't be caught. He led 204 laps to dominate early and was clearly best as the race began in the hot, bright sunshine. Once the night cooled off the track, Biffle was no match for Kahne.
"Kasey's car was just better at night," Biffle said.
An early crash took Patrick out of contention in the season-opening Daytona 500 and she finished 38th. Patrick returned to Sprint Cup two weeks ago at treacherous Darlington and lasted throughout at the track considered "Too Tough to Tame" and crossed the line in 31st.
Patrick's goals this week were simply to be running at the end — and that she was. Starting 40th after a poor qualifying effort, Patrick quickly fell top laps down. But she held on throughout the long, long night.
Patrick also kept her humor. When she was cautioned by her team to keep hydrating, Patrick cracked, "Copy that. Every time you don't get an answer to a question, that's what I'm doing."
Patrick's next Sprint Cup race will be at Bristol on Aug. 25. She promised to be more aggressive upon her return.
"Now that I'm getting more comfortable in certain situations, it's time to start testing those waters and freeing the car up a little bit and seeing what we can get out of it," Patrick said.
Earnhardt had hoped to avenge last year's heartbreaking loss when he ran out of fuel 700 feet from the finish line while leading. Earnhardt came as close to second and was drag-racing Hamlin for the lead on the final restart before as the large crowd at Charlotte Motor Speedway howled. Earnhardt, too, couldn't keep up with his teammate and his winless drought grew to 141 races.
NASCAR's king, career victory leader Richard Petty, had both his entries starting 1-2. But polesitter Aric Almirola quickly fell back and finished 16th. Marcos Ambrose, who started second, broke a wheel hub and ended up 32nd.
The race was the quickest ever for the 600 at 3 hours, 51 minutes, 14 seconds, nearly 5 minutes faster than the mark set in 1995.
AP Sports Writer Pete Iacobelli from Columbia, S.C. contributed to this report.
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