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Opinions On Turbo Flutter?

Jo33

By Jo33,
in Engines & Forced Induction

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Jo33 Rookie

Jo33

Posted
Posted (edited)

My friend recently gave me his HKS SSQV III which was brand new, genuine. So I thought why not slap it on, I'm running a stock GTST Series1 turbo and I'm getting turbo flutter in the low RPMs, not so bad at high rpm though, at high RPM I can actually hear the bov not flutter. I'm venting to atmosphere too. The owner I bought it off did a dick move and decided to mechanically tune it to 14psi (I have no boost controller) which pisses me off because right now I don't have the money to buy a boost controller/take it to a mechanic.(is there a way I can drop it myself?)

Is this bad for my turbo? I google around and see too many mixed answers, hopefully I can get someone who experienced the same problems.

Thanks

EDIT: I'm not even sure if it's running 14 psi, I realised the stock turbo would not handle that at all, brb previous owner used shitty marketing tactics.

Edited by Jo33
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https://www.sau.com.au/forums/topic/402872-opinions-on-turbo-flutter/
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Mitcho_7 Mentor

Mitcho_7

Posted
Posted (edited)

Put your stock bov back on and it will most likely fix whatever issue you have with flutter.

If its running more than stock boost there will be a boost controller of some description or a new wastegate actuator. Either way it's an easy fix to drop it back to stock.

Edited by Mitcho_7
Jo33 Rookie

Jo33

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Put your stock bov back on and it will most likely fix whatever issue you have with flutter.

If its running more than stock boost there will be a boost controller of some description or a new wastegate actuator. Either way it's an easy fix to drop it back to stock.

I'm not fussed with the flutter, Just wondering will my turbo nuke itself over time due to the fluttering and if anyone gets fluttering with the stock turbo and hasn't ever had problems. I heard about mucking around with solanoids to change the boost but my guess now that it can't be running 14, my stock boost gauge isn't showing huge spikes in pressure etc etc and It definately doesn't feel 14psi when I put the foot down haha

Hanaldo Grand Master

Hanaldo

Posted
Posted

I'm not fussed with the flutter, Just wondering will my turbo nuke itself over time due to the fluttering and if anyone gets fluttering with the stock turbo and hasn't ever had problems. I heard about mucking around with solanoids to change the boost but my guess now that it can't be running 14, my stock boost gauge isn't showing huge spikes in pressure etc etc and It definately doesn't feel 14psi when I put the foot down haha

And what exactly does 14psi feel like?

It could be running 14psi if the previous owner changed the actuator, as previously mentioned. The stock turbo can make more than 14psi, but it's a time-bomb waiting to go off and it will be way past its max flow anyway, so you won't be getting any gains. That said, if it still has a stock ECU then it would probably hit R&R before it makes 14psi.

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Even if you don't have an EBC, I assume you have a bleed valve or turbotech type valve to be able to adjust the boost level? Borrow a gauge and check of your worried...

As for the Atmo BOV... Well they are not a

Popular item around here, so any problems caused by them are generally laughed at...

Jo33 Rookie

Jo33

Posted
  • Author
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Put the stock BOV back on, the HKS sound actually gets annoying. My boost is 7psi, the previous owner was talking shit.

Also @ People calling me out, I got a free aftermarket blow off valve why not try it out, This query is directed more at turbo flutter than 'lyk bro how do i get a fully sik flutter wiv out da blow up ov my turbo cuz'? hence the title of the thread.

Hanaldo Grand Master

Hanaldo

Posted
Posted

Put the stock BOV back on, the HKS sound actually gets annoying. My boost is 7psi, the previous owner was talking shit.

Also @ People calling me out, I got a free aftermarket blow off valve why not try it out, This query is directed more at turbo flutter than 'lyk bro how do i get a fully sik flutter wiv out da blow up ov my turbo cuz'? hence the title of the thread.

Because of the problems they can cause.

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

And now I learnt they are not worth the time and effort/money, also fair enough, I'm new to this forum/cars just getting general opinions, I'll go back to lurking

The guys have been pretty well behaved for a change, generally any mention of a BOV or Flutter goes to sh*t pretty quickly! At least you can now see that the BOV is a waste of time and continue to enjoy the car, with some of the questions you have asked it would be a top idea to get stuck into reading the info sections, DIY stuff and just general info on the forum, you will learn as you go! SAU is the place to be, just read, learn and enjoy :yes:

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