Originally Posted by Stavros
isnt it?
i know EGR does that mate, buti cant get my head around why exhaust gas dont go thru to the inlet side rather than the other way round?
is the pressure on the inlet side always higher when off throttle? 1way valve? what?

off throttle, there will be very little pressure on the inlet of the turbine
as soon as you get the egr working, there will be alot more flow from the outlet of the compressor