After doing some readings, it is decided it is safe to delete the crankcase ventilation valve. The item was removed and the crankcase fume is directly emitted to the atmosphere

the crankcase ventilation valve out

Just to share some pix which is no longer relevant to the project. It was planned that with the homemade boost controller, power delivery profiles can be chosen on the fly with the display showing the current selected profile.

ECO

RACE