Holdener has done nitrous tests of well built 496 and 540 chevies that made over 600 hp at 5500rpm n/a. That was BEFORE the nitrous was used. That kind of power would get my junk deep into the low 10s, shift at 5500 and live forever. If i shift those engines at 7000, (700hp+) mid nines would be possible. Then add in 200hp of nitrous? Whew!
The problem is, mopar parts that can make that kind of power cost two to three times as much money (heads and aftermarket blocks). And finding a chassis that can put that kind of power to the gtound.....?