Jump to content
SAU Community

Recommended Posts

basically you just have to tighten up your aftermarket blow off valve.. or put a plate inbetween your stock blow off valve... or for that fact even remove it and just put a plateover the hole to stop it from being plumbed back or vented... that way the air will have no where to go and ;)... go back through your turbo and out your pod lol... this then making the flutter noise... there are huge debates as to whether or not this royally ****s your turbo.. its know that its not "good" for your turbo, but has been settled upon that on low boost it isnt ogin to wreck your turbo, just perhalps shorten its life.

if you want a VL sounding flutter then you will probably want to get a front mount IC if you dont allready have one as it is said to enhance the flutter noise

ive currently got my stock welded over blow off valve on my car at the moment so i get the flutter... but i usually just have my stock unwelded one on there... just felt like a bit of a change last week :)

-Ruffels

no, it whistles. like Nfsu2, fast and the furious, etc

edit: but you can achieve it to a degree by winding down the spring ie making it tighter. this will cause "reversion" which will cause the chatter noise you are talking about. There is debate as to just how bad this is for your turbo... I think so long as you have air coming out of your BOV (ie turbo is still spinning forward), it's not too bad.

++++

Greetings All.

Oh...I thought the HKS SSQ BOV made this noise...?

Bugger...

Cheers Guys,

--Tonba

++++

SSQV is the perfect sound whistling is the best sound u can ever want to have =) I have it on my 33 and its the best, Supersonic type bov, that makes those Pssh sounds, sounds better on the WRX's.

hmmm hks ssqv sounds like a bird dying or getting sucked into the turbo or something, i don't like it hey.:whatsthat

for the, as you decribed it, perfect bov sound

1. buy a vl turbo

2. make sure its an auto

3. get the biggest bov you can find

4. get a fmic so everyone can see your cars turbo

5. get a pod filter

6. tighten the bov as much as possible

7. sit at traffic lights/pedestrian crossings/intersection and hold your foot on the accelerator and brake at the same time and then back off the accelerator.

8. look around to make sure everyone is looking at you

9. take off doing a sick one wheeler :burnout:

Disclaimer:This is not intended be provoking everyone with vl turbos, only the ones that do shit like this. :sly:

PS back to the point of the thread.

You can get the "fluttering" noise too if you have an external wastegate, different gates make different noises when you back off and some seem to make an almost fluttering noise as you describe.

The bov fluttering noise everyone says is bad as its reversion but my old 33 made the fluttering noise as i had no bov at all and the hks turbo on it had no shaft play last time i checked and still worked well.

Jamie

You can get the "fluttering" noise too if you have an external wastegate, different gates make different noises when you back off and some seem to make an almost fluttering noise as you describe.

*makes Cyph3r a badge that says "I have never heard an external wastegate in my life"*

wear it proudly my good man.

perhaps someone with an external wastegate that is open to atmo will see you with it and take you for a spin to let you hear the sound that an external wastegate dumping to atmo actually sounds like.

*makes Cyph3r a badge that says "I have never heard an external wastegate in my life"*

wear it proudly my good man.

perhaps someone with an external wastegate that is open to atmo will see you with it and take you for a spin to let you hear the sound that an external wastegate dumping to atmo actually sounds like.

lmfao *grabs the badge and pins it to my shirt*

i have definately heard one before mate, i wasn't talking about when it is wide open on full boost and it roars, i was talking about on gearchanges.

maybe its just my old car and my mates car that do it and all the rest in the world don't but they distinctly made a segmented rather then continuous noise. on my mates car you could hear the bov was continously open while the wastegate "sounded" like it opened and shut a few times.

Jamie

so describe this sound.. or record it and attach here.

it could just be that the bov wasn't able to vent enough.. and therefore even though it was venting everything it could, there was still some reversion through the turbo..

I really can't see how a wastegate that needs say 15psi of pressure to open could close and open on gearchanges.

I don't see how there can be fluctuating pressure in the exhaust manifold/turbine area during gearchanges which go from 0 to somehting above the spring pressure of the wastegate to cause it to open and shut.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • Even more fun, leave all the ADAS stuff plugged in, but in different locations, hopefully avoid any codes!   And honestly, all these new cars with their weird electronics. Pull all the electronics out Duncan, and just shove an aftermarket ECU and if needed a trans controller in, along with a PDM. Make it run basic but race car styled!
    • To follow up a question from earlier too since I had the front bar off again (fking!) This is what is between the bumper and the drivers side wheel And this is the navigator side, only one thing but its a biggy! So basically....no putting coolers in the wheel arches without a lot of moving other stuff. Assuming I move to properly race prepping this car I'll take that job on and see how the computers respond to removing a whole bunch of ADAS modules
    • So I prepped the car for another track day on Wednesday (will be interesting to see coolant temps post flushing out and the larger reservoir, with a forecast of 3-14 being 20o cooler than last time I took it out). Couple of things to mention; since I am just driving the car and not taking a support vehicle, I took the rear seats out and just loaded the back up Team Trackday style. Look at all that space! To cover off removing the rear seat....it is weird (note the hybrid is probably different because it wouldn't have folding rear seats) Basically, you remove the lower seat base, very similar to a r series but it is a clip that pulls forward to release the base rather than it being bolted down. Easy Then, you need to remove the side section of the rear seat on each side. There is a 14mm head nut at the bottom of the side piece, the it slides upwards off a hook at the top to release; you also need to unhook the seatbelt from the loop at the top. Then the centre piece is weird. You need to release/fold the seats forward with the tab in the boot on each side From there, there are 2,x12mm headed bolts holding the rear of each seat to the folding bracket, under the trim between the rear seat and the boot (4x christmas tree clips there, they suck). The seat is out but you can see where the bolts attach to the bracket
    • As discussed in the previous post, the bushes in the 110 needed replacing. I took this opportunity to replace the castor bushes, the front lower control arm, lower the car and get the alignment dialled in with new tyres. I took it down to Alignment Motorsports on the GC to get this work done and also get more out of the Shockworks as I felt like I wasn't getting the full use out of them.  To cut a very long story short, it ended up being the case the passenger side castor arm wouldn't accept the brand new bush as the sleeve had worn badly enough to the point you could push the new bush in by hand and completely through. Trying a pair of TRD bushes didn't fix the issue either (I had originally gone with Hardrace bushes). We needed to urgently source another castor arm, and thankfully this was sourced and the guys at the shop worked on my car until 7pm on a Saturday to get everything done. The car rides a lot nicer now with the suspension dialled in properly. Lowered the car a little as well to suit the lower profile front tyres, and just bring the car down generally. Eternally thankful for the guys down at the shop to get the car sorted, we both pulled big favours from our contacts to get it done on the Saturday.  Also plugged in the new Stedi foglights into the S15, and even from a quick test in the garage I'm keen to see how they look out on the road. I had some concerns about the length of the LED body and whether it'd fit in the foglight housing but it's fine.  I've got a small window coming up next month where I'll likely get a little paint work done on the 110 to remove the rear wing, add a boot wing and roof wing, get the side skirt fixed up and colour match the little panel on the tail lights so that I can install some badges that I've kept in storage. I'm also tempted to put in a new pair of headlights on the 110.  Until then, here's some more pictures from Easter this year. 
    • I would put a fuel pressure gauge between the filter and the fuel rail, see if it's maintaining good fuel pressure at idle going up to the point when it stalls. Do you see any strange behavior in commanded fuel leading up to the point when it stalls? You might have to start going through the service manual and doing a long list of sensor tests if it's not the fuel system for whatever reason.
×
×
  • Create New...