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.
We got an early look at an un-liveried version of the Nissan GT-R GT500 race car testing at Suzuka back in October. Nissan has finally revealed the final version today at the Tokyo Auto Salon complete with its...