First Test of the 2009 Nissan GT-R on a Chassis Dyno --- The 2009 Nissan GT-R is strapped to the floor, but it's tugging at its leashes with all the power its twin-turbocharged 3.8-liter V6 can muster, moaning to itself in the way a car does when it's at full power. We can feel the air vibrating. Only a few engineers at Nissan know what the true output of the 2009 Nissan GT-R's engine really is, and so far they're not telling. So we're inside a futuristic dynamometer cell at Harman Motive in Torrance, California, to find out. It's part NASA space lab and part Dr. Frankenstein's lab, as a huge intake duct blows air across the car and two big fans in the ceiling suck the engine exhaust out of the room. A rack of computerized hardware is poised next to the driver-side door, reading the GT-R's vital signs. We can hear the hollow rasp of the twin-turbo V6's intake, the low resonance of the exhaust, the rush of the big tires on the dyno's rollers. Finally the long, hard pull from the engine is done,