Interesting blurb on Speedvision

[Pat Ford]

 When I did the Saab LH jetronic course we were told that the humidity
contained H2O (duh!!) but that the water vapor dissociated in the
chamber
giving extra oxygen.
 I think it might also be natures water injection system at work

"Flanagan, Steve" wrote:
> 
> Bruce,
> 
> What do you think is the reason for this?  It seems to be the opposite of
> what you would think. Being a pilot I always prefer a Cold, Dry, High
> Pressure day, the wings love that kind of air.
> 
> Cold air is more dense: Good for power.
> Humid air is less dense: Bad for Power (or is it????)
> 
> Is it the 2-Os in the H2O that you believe is the reason a turbo likes
> humidity?
> 
> That would then lead to the water injection debate.
> 
> Steve F
> 
> -----Original Message-----
> From: Bruce [mailto:nacelp at bright.net]
> Sent: Saturday, August 19, 2000 11:56 AM
> To: gmecm at diy-efi.org
> Subject: Interesting blurb on Speedvision
> 
> On speedvision the other day they were talking to some folks running Pro
> Comp..  One of them was an actual tuner.  He was going on about needing to
> do compensations for Baro., and heat.  Then mentioned even more important
> then that was compensating for HUMIDITY.
>   And some folks called me crazy when I mentioned it...
>   Oh well, I rest my case..
> Yes, a good calibration, has a IAT, or MAT correction for fuel, and TIMING.
> The more I look at things, I think GM fudges the IAT/MAT in a way to comp.,
> for all the lil things.
> That's my opinion.
> Bruce
>   Cold air, with high humidity are a turbos best friend.
> 
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