Craig... to catch up... you need to get the performance mod for a hummer... Can't remember who does it, but saw it on one of the hot rodding shows on TV. They showed the thing doing a top speed of 157Mph and take a hairpin turn at 77Mph.
Mind you, if I had the money for the viper, I would be going for the John Lingenfelter modified engine. Takes you from 488ci and 450hp to 540ci and 725hp.. catch that
Justin26k, yup... knew that.. but it's a little toned down... dump the Lingenfelter modified engine into it