So, GM needs to go back to the drawing board because Nissan has just matched the ZR1 time on the 'ring? Um, no.
GM did it with a Supercharged Pushrod V8 driving the rear wheels through a 6-speed standard transmission.
Nissan had to do it with AWD, Twin turbo dual overhead cam V6 with so many nanny's involved that the car drives itself or your warranty is voided. Yeah. GM Better sweat the details on this one. Oh, and have you seen the transmission in the Nissan?
They pull the pin when you take delivery.