The turbine does not heat the intake air, the air is heated by compressing it as according to the ideal gas law, PV=NrT. Mike --- John Campbell <jcampbel@dfsfin.com> wrote: > Well, curiosity took me to the archives but to no > avail. > I am trying to find evidence that a CAI would > benefit a turbo'd engine. To > me it seems that the air is still going to be heated > by the turbine