Humidity

[Frederic Breitwieser]

>Why is that when humidity goes up engines make more power???  My thinking is
>that if the air is more humid (AT THE SAME TEMP) there is less oxygen,
>therefore less engine power.  Also the humidity's temp. increase takes away
>some of the energy, making less available for pushing the piston.  Any hints
>on this subject??

I will speculate as well ... how about this theory:  When the air is more
humid, less detonation occurs due to the cooling effect of the moisture in
the air, and your electronic EFI system can pump more of everything into
the cylinders.

Honestly, I'm clueless, but it sounded good :)

Frederic