Stillen BOV

EVOHUNTER

I vented mine too, runs actually better now at idle, The weakest setting it would idle at 12.1-12.8, I set it in the middle. Runs really good. My car would go from 13.9 -14.8, kinda jump around, now it doesn't stray from 14.4 -14.8. It sounds really good under high load. Im happy with it! When the setting was to stiff, it would almost shutter the bypass valve, and almost surge back towards the blower, I could clearly hear it. I loosened mine up and that went away.

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gussyturbo z

Hey I just vented mine out sounds awesome! I also have the same afr numbers. But I wonder if I'm loosing boost this way?

future370zzz

I wonder how it will affect the car during WOT runs, between quick shifts when the BPV opens and shuts. Hope it doesn't hurt the engine.

How is it set? Halfway?

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gussyturbo z

I tightn it all the way then I back it out a half. At about 7k rpm my afr was at 10.9. But I did notice at high boost and around 7500 rpm you could hear it. So how can that not be loosing boost? That's my question? If it's venting when your stepping on it then that would mean that your loosing right? Anybody chime in if you can! Guess I'm confused.

future370zzz

If you hear the air escaping from the BPV while you are on the throttle then it is definitely losing boost. It's only suppose to release pressure when you left off the gas and there is a backup of pressure.

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