Ambrose changes Nationwide Series crew chiefs

JTG Racing spokesman confirmed that crew chief Walter Giles has left the No. 59 Nationwide Series team and driver Marcos Ambrose. Gary Cogswell takes Giles’ place immediately, beginning with Monday’s test at Richmond International Raceway.

Giles, a native Australian like Ambrose, joined the team for the 2008 season. Giles had previously served as lead engineer for Martin Truex Jr.’s Cup series team for Dale Earnhardt Inc.

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