Originally posted by ToyotaTechGeek
we can keep going about this, but you would have to have one hell of a huge damned c02 tank to be able to do anything more that chill an initial intake charge or to help battle heatsoak briefly. like i said, if you are near a vacuum leak or anywhere near the intake tract you could run into trouble. maybe you haven't seen one car YET...when you do, you'll know. also, can you please show me a dyno graph showing the point at which you 'sprayed' c02?!?! just wondering.
he sprayed the during whole dyno run.

Might be different since the hood is open. Less chance for c02 to be sucked in.