Quote:
Originally Posted by rotrex
That "extra" air is provided by your turbo or supercharger. All you do is changing its flow and pressure ratio.
As long as your boost is regulated, you will maintain the pressure, but get extra air though a increase in air density.
More boost is always equal to more power at any given air temperature until detonation or pre-ignition occur.
In case of a unregulated supercharger like in my set-up, boost actually drops as you cool more. What makes the power is the charge density. It is determined by both pressure and temperature.
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What I am saying is that if keeping a constant boost pressure eg:20psi with a constant ambient temp of 40DegC, injecting post turbo will eventually cool the incoming charge to 20C.
Will the 20DegC difference create more air going into the cylinder or just cool it?
What about oxygen in this case, the primary subject. Will it increase or decrease?