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Yea I figured out the vacuum. When I switched to 550s I also switched the Translatro for 550s which made everything super lean. I have idle cranked up to +20% on the AFC. Once I richened it up the idle jumped +300-400 rpm and then I lowered it and the vacuum was normal (18-19)
But my (stock) BOV is making some weird noises. It flutters and makes a groaning noise when you let off the gas after boost.
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