The GTO now has a 5.7 aluminum block rated at 340hp@ 52000 and 360 ft lbs of torque
Can be had with a six speed manual or a four speed automatic trans
There is a hit that there may be a 400 hp in the works [img]/ubbthreads/images/icons/smirk.gif[/img]
Also check this web site it has pictures of GM concept cars
http://www.gminsidenews.com/