How's this for a cool day job? The video at right shows GM Powertrain engineers testing the top speed of the new, super-bad supercharged Corvette ZR1. Seems the engineers took a test car to a track in Germany, strapped on a bunch of stuff to monitor everything, and put it on the wood. The results? How about a cool 205. This video, and others, can be found at this brightcove.tv link.