Found other quote of Mr. Mizuno regards laptimes:
Read also full article, some interesting comparison with 997 TTEarlier, Mizuno-san had offered some lap times from the Nordschliefe for various cars driven by the German magazine SportAuto. Those times are driver-dependent, track-knowledge-dependent, weather-, traffic- and bunny-crossing-the-track dependent. But Mizuno suggested the GT-R could get anywhere from 7:44 on up, with most laps coming in between 7:55 and 7:58. So he suggested the GT-R’s strong suit was that it offered “the best cost per lap time.” For whatever that’s worth.
http://www.autoweek.com/apps/pbcs.dl.../71017001/1065After “much spirited driving,” we can say the Turbo had a good deal more lag and more dive and squat than the GT-R. But once the Porsche got spooled up, achtung, baby. It felt lighter and the steering felt quicker, too. The biggest difference between the two was that the Turbo demanded more of its driver while the GT-R was easier to handle, flatter and more stable.