Originally Posted by
JohnnySometimes the SSQV sounds like its surging but its not.I've seen so many SSQV valves surging it's beyond funny. Everyone insists that's what they are supposed to sound like. They aren't. They don't sound any different than any other BOV. If they "flutter" you're surging.
What to do about it?
Like Johnny said, find a great source of vacuum and if you have the adjustable version then lighten up on the screw some. If it's not adjustable I do believe you can swap springs.
Edit: I see you fixed the problem by going to a different BOV. Good for you.