not really. pending what each gears are in the car, like the cobra if its stock has either 3.27's or 3.55's and seeing as how both are probably on a T56 the tranny gearing is probably the same. My bet is judging by how fast thacker came out of the hole, he has probably 4.10's which on top of the nitrous would be the reason he put a ass whipping on that cobra.
Also man thackers stock ss makes almost 600rwhp! talk about a factory freak! 