Originally Posted by Epik
2011 GTR will be 2.9s 0-60 stock. Who knows how quick with some standard mods.
The 2009->2012 engine changes are :
new down pipe (new cat is literally what I read)
Basically, the 2012 engine is
the 2009 engine with some standard mods.
2009 + cobb AP + Y/midpipe can give ballpark 2012 power on an otherwise stock car.
Cobb's page : http://www.cobbtuning.com/products/?id=3853