Rumormill: 2012 Nissan GT-R upgraded to over 500 hp

We’re beginning to hear the first rumblings about the next round of updates to the Nissan GT-R, and if the rumors are to be believed, Nissan’s goal of keeping pace with the refreshed Porsche 911 Turbo (and its S sibling) will continue through the 2012 model year.As with its German counterpart, the R35 is expected to undergo a host of evolutionary changes, including some reworked aero bits,