640 hp and 600 lb-ft of torque. Those are the numbers pumped out from the 2013 SRT Viper’s 8.4-liter V-10. Now for those who don’t know, the 2013 SRT Viper is the first snake to come with launch control, a system that optimizes engine management and traction so as to get the best 0-60 mph and quarter mile times possible. The real question though is, does it actually work on the raucous Viper. Eric Tingwall, Technical Editor for Car & Driver Magazine recently put the Viper’s launch control through its paces to see if it could indeed, handle all that v10 power.