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Last summer, Motor Trend estimated that the Nissan GT-R made at least 507-horsepower at the crank, which is quite a bit more than the manufacturer's official 480-horse rating. Now, MT decided to put to rest the firestorm it created by strapping yet another GT-R to a new type of dynamometer that's reportedly capable of calculating exact drivetrain losses, something that had previously been nothing more than an estimation. Three runs were conducted, and Godzilla delivered figures that were consist

It was only a matter of time before the first consumer-owned Nissan GT-R in the U.S. made its way onto a set of dyno rollers. Edmunds Inside Line made the call to Harman Motive, Road Race Engineering (RRE) and Daryl Alison of JSpec Connect to organize a day of data collecting recently for the import from Japan. Harman and RRE happen to each house all-wheel-drive-capable dynos, with a Mustang and Dynapack, respectively. The two units were chosen because they each utilize different means of measur