2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Turbo xs rfl bov Quiet?

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Old 10-10-06 | 06:39 PM
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Angry Turbo xs rfl bov Quiet?

Well I got my car running rock solid thanx to everyones help on here, but the only other thing thats bothering me is that my bov is quiet. You can not hear it at ALL!! Im guessing its working properly because i cant hear any compressor surge and it opens and closes completly when you rev it in neutral. Thing is i heard these thing were loud as crap and mine aint. Could it be the valve is too big for my setup? Im running a solid 10 psi through all gears with the stock turbo...

Any help on this is appreciated!!!
Old 10-10-06 | 06:48 PM
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It should be louder, check the vacuum line and/or adjust the spring.
Old 10-10-06 | 06:49 PM
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I already did all that, so i dont kno wat the problem is, maybe because its not directly off the pipe between the intercooler and turbo?
Old 10-10-06 | 10:01 PM
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Dude that BOV is LOUD. there is definitely something wrong. Do you still have a top mount? If you do how did you install it becasue last time i checked the dont make the fitting that goes onto our stock piping you have to make your own or weld it on.
Old 10-10-06 | 10:21 PM
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I have that bov. Its way too loud and annoying. I'm only on 6psi and it drives me nuts.
Old 10-11-06 | 08:32 AM
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RFL = Really ******* loud.
Old 10-11-06 | 08:36 AM
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Originally Posted by Jager
RFL = Really ******* loud.
sure is.

Mine's obnoxious allready at 3-4 psi, it gets real bad at 20psi.
Old 10-11-06 | 09:00 AM
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post a pic of your setup so we can see how it is mounted etc
Old 10-11-06 | 12:18 PM
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Here is how i have it setup, how does everyone else have theres done? Post some pics
Old 10-11-06 | 12:43 PM
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That should work... Have you opened up the valve, cleaned it, and oiled it?
Old 10-11-06 | 01:12 PM
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Originally Posted by Terrh
sure is.

Mine's obnoxious allready at 3-4 psi, it gets real bad at 20psi.
Dear god, 20 psi. Sound clip.
Old 10-11-06 | 01:45 PM
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nope i havent oiled it or anything, but it slides easy and it hasent been on but like 3 days...
Old 10-11-06 | 01:53 PM
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Never hurts to clean it up nice and good..
Old 10-11-06 | 02:06 PM
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theres nothing to clean up its brand new...lol...i mean wat could possibly make it not vent out loud???? maybe the reaction time of the valve isnt good enough...
Old 10-11-06 | 02:14 PM
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where are you pulling the vaccume sorce from?
Old 10-11-06 | 02:25 PM
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the same vac line that the stock bov did, but I do have my pressure sensor and boost gauge teed into the line but nz confirmed that this woudnt hurt anything...
Old 10-11-06 | 07:46 PM
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well i got my full exhaust put on the car today and i can hear the bov vent just a little bit, you wouldnt kno it if you wernt listening for it, any more ideas on this?
Old 10-12-06 | 12:08 PM
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On my turbo engine I got rid of of all that shizzle and just had a pipe and BOV welded between the turbo and top mount. I had a HRFL and I heard the RFL's before and there just as loud so why dont you just get a pipe for from the intercooler to the turbo and weld the BOV in between it? They are seriously loud as **** if you love the sound of a turbo setup then you'll love it!
Old 10-12-06 | 12:54 PM
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Well, I don't have a turbo, but could it be partially open already, and then when opening the preasure isn't really there?

I have no idea.

Good luck. I love the BOV sound.
Old 10-12-06 | 12:57 PM
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yeah im gonna try more washers today and see what that does, if not im doing like blackone said and getting the adaptor pipe so its right off the pipe.....
Old 10-12-06 | 01:03 PM
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Washers for what? Just curious.
Old 10-12-06 | 02:28 PM
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they go against the valve to put more strength against it, like if your boosting and your bov opens up under boost you put washers to help keep it closed
Old 10-12-06 | 02:34 PM
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Or it could be like my SSQV, im no pro with the RFL, but it may need lubing and break in period...i thgouth the SSQV was quite until about 6-700 miles now it flutters at low boost and at hgih it jus blows ur ear out
Old 10-12-06 | 02:48 PM
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really,,,hmmm maybe ill just let it go for now and see what it does, wat did you use to lube it? motor oil or what?


Thanx
Old 10-13-06 | 01:42 AM
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just regualr oil from the turbo, just driving it will slowly work in the spring if its new and luvbe up the piston....But all i can say is just drive it for another 500miles...



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