Turbo MAP & MAT interaction

nacelp nacelp at bright.net
Fri Apr 7 12:22:13 GMT 2000


(Brutal snippage)

> Put all this into an equation, and you can determine how much
> air mass is in the cylinder.  Divide by AFR, and you have fuel
> mass needed.  Multiply fuel mass by the injector constant, and
> you have injector opening time needed to deliver the required
> fuel.
> The air temp is a hard one to get right.  The air is heated
> depending on how long it is in the intake & cylinder.  There
> are some schemes to try and calculate this heating, but it
> is not done in your case, or my case (TGP) or the SyTy.

Just curious if you've played much with timing corrections for IAT.  I'd
imagine some changes there, especially at the higher temps., when in boost.
Grumpy

> I have corrected this in my car, and the results look good.
> Very little correction ever needed by the closed loop
> feedback system!
> Scot Sealander


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