Originally Posted by 370Zsteve

DI is the wave, baby. Catch the wave. Don't be surprised if they drop DI into the existing Z, could be less than 4 years if that's the case.

BMW's TT DI inline-six produces 330 lb ft of torque (in the 7 Series), not so far away from your number...throw in the added power, the fuel economy boost, the better emissions and you have incentive for Nissan, especially as the Euros seem hell-bent on stricter and stricter emissions standards.