HKS SQV Install Results:
I just installed my HKS SSQV installed last night and I am very happy with the results. I noticed that torque came in much earlier then with the stock BOV and for you that are interested, the noise is LOUD and sounds very aggressive. I will post a sound clip of the HKS SSQV very soon.

Problems?... None...
Also, since the topic seems to be floating around lately, I did NOT experience any boggling or stalling problems with the HKS SSQV, even with my current setup as being non-circulating. I read some of the posts by a bunch of you around the forums experiencing problems such as engine light being on, boggling, and stalling and so on. I think I know why, although it's a guess. The ECU is setup to accept an "accepted" amount of air intake from the stock recirculating BOV, right? I'm guessing it adapts to the intake as the car is being driven. During the process of installing the SSQV, I took out the battery so I have more room to work with. I think this may have reset the ECU air intake programming, but I'm not too 100% sure . What do you guys think? Whatever it is, I have yet to encounter any problems with the HKS SSQV and it's working great.

Fine Tuning the BOV
Although the BOV have yet to give me any problems, when I shift between 3000 - 4000RPM, the sound the SSQV makes is more like "Sst-sst-sst-sst-sst-sst-sst" instead of a mono "Sssssssssst". I asked the guys at Ultimate Racing and they said this is normal. The BOV will not make a loud "SWOOOSH" or something similiar when gears are shifted at lower RPMs. It WILL make an incredibly loud aggressive noise at anything above 4000RPM tho', when higher amounts of boost is present.

However, just to be sure, I wanna know if anyone gotten rid of the fluttering noise totally while maintaining the increased torque AND had no problems with stalling or boggling. If you did, how many turns on the adjustment knob did you make and and so forth. Also, this doesn't apply to ONLY the HKS SSQV. Any tips will gladly be appreciated. BTW, my BOV setup is a non-recirculating. Thanks alot !

 

Interesting, will be nice to see if anyone else disconnected their battery.

My turbo Civic has the SSQ, and under light boost also "flutters", that is the SSQ's design, and best attribute if you ask me.........

 

I've had an HKS SSQV installed for about three weeks now. Never a CEL, had some intake surge mistaking it for bogging, which went away after proper adjustment.

The little valve will always flutter even under moderate throttle lift. The adjustment only affects the big valve blow-off which is evident when running fast (much louder, non-fluttering blow off sound).

You can't get rid of the small valve flutter. It's by design and in my opinion exemplifies the BOV design.

 

Hurry I think me like so many others like to hear different BOV sounds!

 

i'm very interestedin the ssqv. but i will be getting the recirculating one most likely, if not that then definitely the pruven full recirculating bov. but the fluttering sound is definitely the design of the ssqv. its sequential so unless its high boost only one spring is working. at least thats what i think

 

A reason some might feel a difference from an aftermarket BOV is because it's been found that the stock BOV for the Evo leaks boost. Just adding a good BOV may in fact sustain or increase boost at higher rpms which would definitely give the feeling of more power.

As for the sound of the SSQBOV it doesn't sound like an Eagle on crack. I had the same setup on my Supra and it has a killer sound. Nice unique sound from the rest. You're right though it doesn't go SWOOOSH. It sounds much more high tech with the whispy flutter on the low end and the ppfffsssst burst on the high end.

 

I've asked this question a couple of times with no answer. What are the benefits to recirculating the air as opposed to venting to atmosphere? I've always vented to atmosphere so I don't know the difference.

 

For a mas air equipped car, venting back to the intake (ie recirculating) is the correct way to do it, as it ensure the MAF is only counting the air it sees.

However, we have used this BOV on the WRX and the Evo's for awhile now, and it does work very well, no downsides.

As for the stock Evo BOV, it happens to be among the best out there for a factory car, and we have yet to have it become a problem till you run big boost on the larger turbos.

Adam

 

which SSQV kits do u guys buy. Im getting a SSQV for the EVO& next week.

Sup Carlos.....I sholdbe installin one next week... If u interested come down to the city. PM me

 

I got a HKS one i am going to go all HKS all the way ;-)

 

i've actually installed 1gen eclipse boc verks awsome and doesnot leak most important of all its cheap as hell

 

i had it custom installed... i do get the flutter...by design...my cel is on... I have a custom k&N intake installed also... i do get some bogging and sometimes I feel like its about to stall...

I also have an EVC V on and I think Im way off on the setting... I have the KPA version instead on the PSI version... its always around -.5 Kpa... should I be at 1.4 to be making 20 psi?

Think this has anything to do with this?

-Shahul

 

I'm just asking to be sure... for the HKS SSQV, what are the symptoms if the adjustment knob is too lose/tight? Along with a description of the symptoms, tell me the solutions too, such as... "if your car is doing ____, you should loosen/tighten the adjustment knob, and if your car is doing ____, you should loosen/tighten it". I think I'm tuning the bov right, but I need to have reassurance from my fellow Evo owners. Thanks!

 

Sounds Clips....Sound Clips

 

ok i read all about the SSQ, but now i'm curious do we get the SSQL that fits the 95-99 eclipse just like the harness we get for our TT or what? are there any good SSQ BOV install instructions, for vent to atmostphere?