I can't seem to get a straight answer on this one.
My current setup is using a hks ssqv and at low boost (<3000k revs) I get flutter dump. You can hear a bit of 'su tu tu' then 'psht'. It even happens in low vacuum.
However, when I go beyond 3psi of boost the bov dumps fully.
Is it normal for a ssqv to be doing this? my impression is that they're meant to open fully no matter what boost level.
I don't mind the sound just worried it may be detrimental to my turbo down the line...
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