If you increase the valve pressure (turn in the screw), you increase the valve's resistance to opening at lower vacuum levels, meaning part throttle or at idle but you also increase the occurrence of compressor surge, which is what a BOV is there to prevent in the first place.
I believe this topic has not been discussed before.
The main aim is not to build a 4G63T (vr4-evo3) 400HP monster. But car / engine that is good for 30 mins non stop whacking (stock - 0.9 bar) in the track. Will...
i'm just help my friend to find evo5 airflow sensor...
but not sure the code no....
if u have evo4 airflow sensor also can consider....
1 more thing... i need help to find evo4 airflow sensor wiring diagram...