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REVVED UP photo | Chris Tucker

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REVVED UP

In a rush to get things underway, Pennsylvania 500 grand marshal Chris Tucker implores racers to "start their engines" during the NASCAR Nextel Cup Series at the Pocono Raceway in Long Pond, Penn., on Sunday.

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Credit: Chris Graythen/Getty Images for NASCAR

Published: Tuesday Aug 07, 2007 | 05:00 PM EDT

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