Well, if you run a few numbers, using 2 SM 420's, 3.73 gears and 31" tires, and you had the first tranny in 4th, and the other in 1st, you could theoretically do around 120 mph AT IDLE. I think you would be going through clutch very, very, very quickly.
"If the women don't find ya handsome, they should at least find ya handy!"