That is an awesome quote. I am going to have to remember that one!!!

The only motor my friend has used nitrous on was his well built mustang. He was able to use a 150hp shot, prbably because it had TRW forged pistons, and forged crank and A TON of extra fuel to burn when the nitrous was used (secondary fuel pump on a switch).
Damn was it scary when that was used.
Nothing like spinning out at 55 mph because the car broke traction when the nitrous kicked in.

I've raced a couple of cars with nitrous and it works really well on a nicely built engine. The cars I raced were mainly late model camaros and mustangs. Those were the only cars that would pull up next to my Grand National wanting to race.

I think Nitrous on an X is kinda silly, since I've rarley, if ever gone full throttle while offroad.
If you are going full throttle, time for some transfer case gears (or skids ).