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HKS BOV adjuster screw?

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Old 12-05-03, 06:43 PM
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HKS BOV adjuster screw?

Ive had my HKS SS BOV for a few years and it seems to work fine. My question is this:

Is the screw adjustment in the back to adjust the speed it reacts at or how loud it is or something?

I searched for this, yet no one really said what its supposed to do. Anyone wanna give an answer to this simple question????
Old 12-06-03, 08:55 AM
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its to adjts at how much vac it opens at you should adjts it so it just closes at idle
Old 12-09-03, 02:24 PM
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So the screw adjusts how fast the BOV reacts then? Or is it there to help control vaccum leaks at idle?

When i shift slowly on low boost, i get a slight chatter sound coming from the intake. It makes me wonder if the BOV isnt reacting fast enough to keep trapped pressure from going back into the turbo....
Old 12-09-03, 04:08 PM
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the more you turn it in the higher the vac has to be to open it. so yes in a way its how fast it reacts
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