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.
Hi guys.. im driving a 5th gen Celica... im planing to get my dashboard painted.... so my question is anyone can guide me on how do i remove my dashboard???? i mean the location of screws and wich part should i...