The ultimate showdown: starch vs. machine. The new SRT Viper is nothing to mess with. With 640hp and a zero to sixty in a blistering 3.3 seconds, this machine puts to shame most Ferrari's. But, can it beat a potato? Jalopnik and Hennessey Performance Engineering lead fabricator Jason Geigley (the man behind the potato gun) teamed up to see who the victor would be. And just to make things even more interesting, they added a 2014 Jeep Grand Cherokee SRT8 (which has a 0-60 in just 4.8 seconds).