Ed Carpenter says IndyCar’s return to Phoenix International Raceway will be a physical challenge, both despite and because of the track’s 2011 reconfiguration. Speaking after a Chevy manufacturer test day at PIR that involved the four Team Penske entries and ECR’s pair, IndyCar’s only owner/driver told Motorsport.com: “In race downforce we were pulling about 4.2g, so I think we were eventually up to 4.5g. Pretty big.” Referring to the kink in the back stretch that was reconfigured in August 2011, Carpenter said: “I don’t know if it’s the dogleg being straightened out but the radius has changed because it’s more banked, less flat than it was. “But actually I don’t...
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