Originally Posted by Stoichiometric

I think the n2o can tolerate a little more compression because of the heat that it removes from the engine. A supercharger loads the crank down and a turbo loads up the exhaust which both increase heat in the engine/cylinder. The IATs go up most of the time with forced induction also which increases the chances for detonation. Here is a good article I found if you want to do more reading http://www.aircooled.net/gnrlsite/re.../n2otheory.htm

Originally Posted by Stoichiometric

Hot pressure is also more likely to detonate.