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Question about recirculating BOV?
http://www.4g61t.org/forum/viewtopic.php?f=6&t=34462		 Page 1 of 2
Author:  Smokin n da mirage [ Fri Mar 25, 2011 3:41 pm ]
Post subject:  Question about recirculating BOV?
Sorry guys I wasnt totally sure where to place this since I have a 5g 4g93 mirage, I figured this would be the best spot since this is the turbo forum anyways, please move if its in the wrong spot tho mods :)

Ok guys, I finally got this done today and all i can say is WOW! what a night and day difference! The car just runs soo much better now and my idle isnt crappy anymore! But now that its recirced I cant hear the BOV at all? I knew the sound wouldnt be as loud but surely you should still be able to hear it just a little bit right? When Im on boost and I shift, I hear absolutely nothing at all? That cant be right... right? For anyone who has recirced their BOV, what other adjustments did you make? In the BOV now is the bigger of the two springs that came inside the BOV, the smaller one is sitting in the garage just chilling for now, should I put the smaller spring back in now and take out the larger one? The adjustment screw also I had pretty much all the way loose and when I shift I still dont hear the BOV at all? Am I just freaking out again over nothing or is something def wrong here?

I have a greddy type S style BOV from frozenboost.com btw
Author:  CaptainTonus [ Fri Mar 25, 2011 3:45 pm ]
Post subject:  Re: Question about recirculating BOV?
Having it re-circulated makes it significantly quieter. You should hear it just a little bit, but it's definitely going to be quiet. I never ever heard the stock re-circ'd BOV in my Mirage, never.
Author:  Smokin n da mirage [ Fri Mar 25, 2011 4:26 pm ]
Post subject:  Re: Question about recirculating BOV?
^Ok, so it just sounds like Im worrying over nothing then, like always lol. Thanks Captain! Any other responses are welcome too :)
Author:  Smokin n da mirage [ Fri Mar 25, 2011 6:15 pm ]
Post subject:  Re: Question about recirculating BOV?
Also when I do shift it just makes like a "bic" sound or w/e lol, is this valve flutter? It cant possibly be compressor surge.
Author:  CaptainTonus [ Fri Mar 25, 2011 6:16 pm ]
Post subject:  Re: Question about recirculating BOV?
Quote:
Also when I do shift it just makes like a "bic" sound or w/e lol, is this valve flutter? It cant possibly be compressor surge.
It's probably just fluttering because it's a cheap knockoff BOV
Author:  Smokin n da mirage [ Fri Mar 25, 2011 6:39 pm ]
Post subject:  Re: Question about recirculating BOV?
This wont potentially damage my turbo in the long run will it?
Author:  CaptainTonus [ Sat Mar 26, 2011 12:13 am ]
Post subject:  Re: Question about recirculating BOV?
Quote:
This wont potentially damage my turbo in the long run will it?
Probably not. It's probably just a stiff BOV and only opens under higher loads.
Author:  Smokin n da mirage [ Sat Mar 26, 2011 9:30 pm ]
Post subject:  Re: Question about recirculating BOV?
^So I should change to the smaller spring then maybe? I will probably do that tomorrow
Author:  CaptainTonus [ Sat Mar 26, 2011 11:28 pm ]
Post subject:  Re: Question about recirculating BOV?
Quote:
^So I should change to the smaller spring then maybe? I will probably do that tomorrow
If you can get replacement springs for that BOV then yeah, put a softer spring in it. If it's a type-S knockoff though, it's probably a diaphragm type BOV, you might not be able to change the spring in it.
Author:  UnderPSI [ Sun Mar 27, 2011 11:06 am ]
Post subject:  Re: Question about recirculating BOV?
If it's a ebay type s knockoff then remove the smaller spring completely. A lot of people have trouble with those untill they do this.

edit: just reread my post, only if there are TWO springs inside your BOV should you remove the smaller of the two springs!
Author:  Smokin n da mirage [ Mon Mar 28, 2011 2:39 pm ]
Post subject:  Re: Question about recirculating BOV?
Quote:
Quote:
^So I should change to the smaller spring then maybe? I will probably do that tomorrow
If you can get replacement springs for that BOV then yeah, put a softer spring in it. If it's a type-S knockoff though, it's probably a diaphragm type BOV, you might not be able to change the spring in it.

I stripped the adjustment screw :( am I screwed lol pun kind of intended. I can still remove the top part of the BOV and put the smaller spring back in now tho, I just cant adjust it now. I emailed frozenboost and asked if there was a way I could get just the top part of the BOV, should get a response probably tomorrow but hopefully today

Quote:
If it's a ebay type s knockoff then remove the smaller spring completely. A lot of people have trouble with those untill they do this.

edit: just reread my post, only if there are TWO springs inside your BOV should you remove the smaller of the two springs!
Right now the larger of the two springs is in my BOV, you are saying I should just leave it or put the smaller one in now?
Author:  UnderPSI [ Mon Mar 28, 2011 4:01 pm ]
Post subject:  Re: Question about recirculating BOV?
Oh I see that your already running just one spring, in that case I guess your only options are to purchase a softer spring (pretty redundant to do for a knockoff bov) or purchase a new BOV. I would suggest you find a 1g bov and go with that. They may not have the fancy noise emitting capabilities as many aftermarket bov's do but they work awesome. I have a few laying around I would be willing to give to you for just about free.
Author:  6BoltColt [ Mon Mar 28, 2011 4:05 pm ]
Post subject:  Re: Question about recirculating BOV?
1g bov ftw. i personally like the basic mitsu bov sound, it gets the point across without sounding like a horny bird.

whats the boost limit on a 1g crush?
Author:  UnderPSI [ Mon Mar 28, 2011 4:10 pm ]
Post subject:  Re: Question about recirculating BOV?
Quote:
1g bov ftw. i personally like the basic mitsu bov sound, it gets the point across without sounding like a horny bird.

whats the boost limit on a 1g crush?
Iv'e personally seen 25 psi on them all day long.
Author:  6BoltColt [ Mon Mar 28, 2011 4:13 pm ]
Post subject:  Re: Question about recirculating BOV?
sweet i dont have to replace my bov as long as i run the evo3 :finga:
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