It's gonna be tough to take down an E-gear race version Gallardo. The problem is the dual clutch, high rpm and awd = one hell of a roll racing set up. Seems like the big problem with the viper set up is they don't build the boost until +4,000 rpm with the big turbo and only have maybe 2,000 rpm to make full boost vs the lambos 3-4,000 rpm of full boost. When the viper goes to shift with a 6spd it looses most of the boost during the shift. A sequential would take care of boost drop and shift speed would be close to a dual clutch (most important part). If you could get a big turbo'd Viper to make full boost around 3,000 rpm then the car could actually rev for a bit before the next shift is needed. Could you run a 100shot at 3,000 rpm to get the turbo spooling? Then you would have instant boost at a low rpm and allow the torque to pull to 6,000 rpms.
I have heard that the Euro's are optimistic about the weight of they're cars. I think GM/Dodge/Ford are all pesimistic about they're cars weights. I had a 99 z/28 and a 99 C5 and they both weighed less than GM claimed. For the hell of it, one day I stuck the Camaro on our Intercomp scales and it weighed right around 3,293 with a 1/4 tank of fuel. Just for reference, my road race GTS with fiberglass doors, hood, lexan windows, and cage weighed in at 3,143lbs with some fuel in it.