I know there is alot of threads on the BOV but I wanted to know the following: Under high boost 1.3bar+ (going down on throttle accelerating) the BOV starts to leak (flutter) and the boost gauge needle starts flicking. I turned the screw almost all the way in but still get leakage, heck...i almost turned the screw all the way to the bottom of the thread pin trying to tense up the spring. You guys have any idea(s) on that?...thnx

 

i think i know what you mean, but i think its natural?? my car does it too, but i just felt that it was like a medium where the pressure could neither build nor let all out at once...hence the fluttering noise....but im probably wrong

 

You need to loosen the adjustment screw, not tighten it. The springs in it are stiff to begin with. I loosened my adjustment screw and I held boost much better.

 

interesting, since the same goes for the ssqbov since that is a pull-type...wouldn't that be counter productive? not to bash...i will try that, maybe my thinking is off and so many times it is, thnx dude...