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Blow Off Valve Installed


antigravity

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  • Member
  • Member For: 18y 4m 27d
  • Gender: Male
  • Location: Sunshine Coast!!!! QLD

Hey guys... Replaced the stock BOV with a monza dual type BOV, because I noticed the stocky was releasing boost while under throttle.

I'm running stock piping, however I've moved the blowoff valve out from behind the crossover, and its sitting near the airbox.

Anyway... I'm not getting much noise from the BOV at all. I can hear a very faint flutter when I'm giving it a bit, but otherwise not hearing much at all.

Is this because I'm only running stock boost? The instructions on the BOV say its suited for 10psi or more...

Any thoughts?

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  • Yaris member
  • Member
  • Member For: 18y 7m 24d
  • Gender: Male

um, isn't the BOV supposed to be between the throttle body & turbo?

Where you have it, it's doing nothing. The flutter is the air that is supposed to be vented by the turbo going back through the turbo & out the air box.

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  • You are a dead set goose
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  • Member For: 19y 2m 15d
  • Gender: Male
  • Location: Melbourne

I think he's just moved the hose out from underneith. I've done this once. The difference is you can hear it a lot clearer inside the car when it's sitting under the piping because it's right on the firewall, where as now it's over the other side. It still does the same thing, but you can't hear it from where you sit.

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  • Member For: 18y 4m 27d
  • Gender: Male
  • Location: Sunshine Coast!!!! QLD

Mr Sparkle, I don't have the BOV coming out of the airbox hose!

The BOV is still connected to the crossover, but I've just put a longer hose on it, because it wouldn't fit behind the crossover... if that makes sense...

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