2007 Porsche 911 GT3 (997) test drive and walk around from Chicago Cars Direct. The GT3 is the road-going basis of the world’s most popular race car (more than 1000 have been built since 1998). That makes it the pinnacle of the Porsche production-car pyramid as well as the homologation special that justifies the existence of the GT3 racing car. The secret to its split personality is Porsche Active Suspension Management, or PASM, which allows drivers to alter the dynamic character of the car by pushing a button to modify the shock valving of the three-way adjustable Bilsteins. “You can never be happy with one setup for both the road and the racetrack,” Hartmut Kristen, Porsche’s director of motorsport, says from the pit wall while Walter R”hrl rockets past in a screaming yellow GT3. “With P
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