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Venting The Stock Bov


Dillz

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  • Member For: 13y 5m 17d

hey fellas, going to do this tomorrow to my BA xr6t, but im more keen on the stututu noise instead of psshhhhhh. what else is needed to get the sttututu noise. I have the typhoon intake, KnN panel filter.

Edited by XR6T-Shane
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  • 3 weeks later...
  • Member
  • Member For: 13y 3m 28d

I have vented the stock bov. car is stock and auto, only time I hear a pssshhh sound is when I hit boost then back off throttle. which is good. I do notice while at idle I feel air escaping out of the filter I attached to bov...do these stock bov leak abit at idle?

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  • Menace
  • Donating Members
  • Member For: 13y 6m 11d
  • Gender: Male
  • Location: Sydney

Doesn't sound like it, can you post up a pick?

This mod has almost become obsolete now that you can buy the knockoff turbosmart kompacts for $60.

Where from?

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  • Three pedals are better then two..
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  • Member For: 17y 5m 7d
  • Gender: Male
  • Location: Melbourne

THIS is the one I bought mate, sold out unfortunately. Pretty good quality for the price.

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  • 2 weeks later...
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  • Member For: 21y 3m 19d
  • Location: Melbourne

Is there any impact on performance (either positive or negative) when venting to atmo?

I would have thought that returning the air back into the manifold during a gear change, will help to build boost quicker in the next gear?

By the way I just did this on my FG F6, and the best way to get "tututu" is to drill a 10mm hole into the rubber stopper which is to be attached to factory BOV.

Do we have an emoticon that represents "tututu"? :spoton:

// Jake.

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  • Three pedals are better then two..
  • Donating Members
  • Member For: 17y 5m 7d
  • Gender: Male
  • Location: Melbourne

Have you tried blocking it fully? Use to think that too mate, have done both on mine but I swear it runs way better with a full blocked bov (and is louder) then with the hole drilled in it. Have no idea why but that's just my experience. Someone explained it in this thread I think.

Not really any positive in performance for an auto but atmo bovs are designed to keep boost up during gear changes on a manual cars so if there was to be any benefit it would be in that scenario.

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  • Donating Members
  • Member For: 21y 3m 19d
  • Location: Melbourne

Haven't tried to have it fully blocked. I might try that tommorow.

I don't understand how venting to atmo would help to keep boost up, I thought that it would actually release boost, whereas venting into the manifold would "recycle" air and hence keep boost up ???

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