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

Which BOV has a pretty shrill sound to it?

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Old Aug 2, 2005 | 12:26 PM
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Which BOV has a pretty shrill sound to it?

Which BOV has a pretty shrill sound to it? And loud?
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Old Aug 2, 2005 | 12:40 PM
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i believe the hks super sequential is pretty shrill and has a high pitched sound..

my blow off valve, is a blitz.... it just sounds like a raw PSHHH
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Old Aug 2, 2005 | 12:41 PM
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Turbo Xcess RFL means real ******* loud... you cant go wrong
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Old Aug 2, 2005 | 12:47 PM
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I second the HKS SSQ. I finally got to hear one on a WRX, and even at about half throttle, its REALLY loud. Also, you can check into an A'PEXi Twin Chamber.
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Old Aug 2, 2005 | 01:26 PM
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yeah the HKS Super sequintial is almost a laser sound, really sweet.
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Old Aug 2, 2005 | 04:11 PM
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I have a HKS SSQ every one tells me they like the sound and its pretty loud it has an adjusting screw on it as well
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Old Aug 2, 2005 | 04:15 PM
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my HKS is deafening when i blow off next to ppl's windows.....but not only is it loud but it's one of the best preforming BOVs in the market.........please don't buy a BOV for you 7 based on sound......you should always do PERFORMANCE ugrades not aesthetic upgrades...
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Old Aug 2, 2005 | 07:58 PM
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they all perform the same function....besides what "significant" performance gain can you obtain from venting vacuum into the atmosphere? so basically it just comes down to what you like best.
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Old Aug 2, 2005 | 08:08 PM
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you don't get any performance out of em, most of the time they cause headaches but oh well, who doesn't like a little attention?
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Old Aug 2, 2005 | 08:12 PM
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wow havent you guys noticed almost everyone has that stupid fucken HKS SSQ bov dam neways i have the Greddy Type S and just finished purchasing the Greddy Type RS so hopefully i like the sound of the RS shop was going out of buisness so they were letting everything go cheap =)
TwEaK
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Old Aug 2, 2005 | 08:13 PM
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i have a greddy type s on the way!! i cant wait. i like the sound of them the best.
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Old Aug 2, 2005 | 08:30 PM
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"the HKS SSQV incorporates both a small primary valve for ultra quick activation, and a larger secondary valve for additional discharge capacity. The SSQV is engineered to initially open the small primary valve at light throttle and load conditions (Diagram 2), then sequentially opens the secondary valve for additional relief capacity under high boost and load conditions (Diagram 3)"
- Taken from hks site

Even though you are detering performance by venting to the atmosphere, I guess you can still argue that you are using a the hks valve as a performance upgrade.

Are there any other bovs designed like the hks?
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Old Aug 2, 2005 | 08:35 PM
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the SSQV is one of the best performing ones because of how it pulls rather than pushes the valve open making sure there is no boost leakage.
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Old Aug 2, 2005 | 08:41 PM
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I want one...but everyone in my city who has a turbo charged car is running the ssqv
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Old Aug 3, 2005 | 12:09 AM
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the ssqv is annoying and gay, i have it on my car, only reason i have it is because it was cheap, and works really well.
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Old Aug 3, 2005 | 01:08 AM
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what about the quietest BOV? thats what i'm looking for, i drive a red car it gets attention enough, i'd liek to get a BOV the i can make silent, or loud should i need it.
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Old Aug 3, 2005 | 01:12 AM
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just recirculate it back into the intake pipe, using the stock rubber TID snorkel.



**PS**

another thing most ppl don't know, is that there's 3 different "inserts" for the HKS SSQV

each insert is a different color.. and gives off a different sound when it vents...

so u can have the same BOV but with a different sound
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Old Aug 3, 2005 | 01:14 AM
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Yup...can't stand the HKS SSQV, liked my old HKS version (the gunmetal ceramic one). Have a Greddy Type-R and love it, big flow and great sound.
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Old Aug 3, 2005 | 03:04 AM
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What kinda of psi you running ot use the type r? I'm going to be at 12 psi daily and 17 when I want to kick it up a bit.
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Old Aug 3, 2005 | 03:09 AM
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Definitely the HKS here. I have it on all my cars.

LOVE IT.
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Old Aug 3, 2005 | 03:13 AM
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I've got an annoying greddy S, definatly one of the baby fart/laser ones.
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Old Aug 3, 2005 | 06:16 AM
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Originally Posted by SmogSUX
What kinda of psi you running ot use the type r? I'm going to be at 12 psi daily and 17 when I want to kick it up a bit.
You can stick a "std." spring in it, and it'll vent like the Type-S version...under 20psi.
The Type-R with the "stiff" spring will not open anything short of 20psi.


-Ted
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Old Aug 3, 2005 | 06:17 AM
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From: n
Originally Posted by SonicRaT
I've got an annoying greddy S, definatly one of the baby fart/laser ones.
Actually, position of where the BOV is located and which vacuum fitting you use (or T off of) can change the sound.
I've got the "kit" for the GReddy Type-S, and it's not even close to a "baby fart/laser" sound.
BTW, how does a laser "sound"?


-Ted
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Old Aug 3, 2005 | 02:48 PM
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Originally Posted by TwEaK
wow havent you guys noticed almost everyone has that stupid fucken HKS SSQ bov dam neways i have the Greddy Type S and just finished purchasing the Greddy Type RS so hopefully i like the sound of the RS shop was going out of buisness so they were letting everything go cheap =)
TwEaK
because it is the one that does the job the best...it's a pull type BOV as opposed to the push type....it is also less prone to leak and malfunction.
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Old Aug 3, 2005 | 03:39 PM
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Originally Posted by Ottoman
just recirculate it back into the intake pipe, using the stock rubber TID snorkel.



**PS**

another thing most ppl don't know, is that there's 3 different "inserts" for the HKS SSQV

each insert is a different color.. and gives off a different sound when it vents...

so u can have the same BOV but with a different sound
There's the stock silver one, the purple one which makes it more a whoosh noise than a whistle, and then the gold one which is the same as the stock one. Just gold instead.
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