Jump to content
SAU Community

Why Doesnt My Car Flutter ???

TiNTiN

By TiNTiN,
in Engines & Forced Induction

 Share

Recommended Posts

paulr33 Grand Master

paulr33

Posted
Posted

flutter doesnt come from the intercooler. flutter comes from the bov being too tight or not having one and the air goes back and hits the turbo blades and gets chopped. the intercooler will make it echo more but wont make the flutter noise by itself

West Grand Master

West

Posted
Posted
i just recently installed as 600x76x300 intercooler on ma car yesterday i took it out for a test spin everything goes fine but how come i dont get a flutter noise i hear wen other people put on intercoolers ?

Just block the black hose that run from your BOV back into the intake ( not the tiny vacum one ) then it'll give you heaps of flutter.

Cubes Grand Master

Cubes

Posted
Posted

Only flutter I've heard is on a VL that didn't have a BOV.

Wastegates are used to control boost on the exhaust side. And they don't flutter. If they are not redirected back in to the exhaust they are known as screamer pipes as that is what they do.. Scream!

Having no bov on a VL running no IC and std boost is fine. Once you begin to fit intercoolers and up the boost their is more air in the system which needs to be vented some where otherwise it will eventually cause damage from stalling the turbo when you lift off the throttle.

Jago Mentor

Jago

Posted
Posted

yea, i don't see why a wastegate would have anything to do with fluttering.

I think you need new tyres and maybe a new bodykit, neons too, that should do the trick (only kidding :) )

Aren't there some BOV's out there that actually do their job AND make a flutter noise (the release of air into atmosphere, not back pressure)?

nitemare5 Rising Star

nitemare5

Posted
Posted

Those are usually the adjustable type BOV's where the owner/workshop has tightened the BOV so that it will remain shut until higher boost is attained, therefore 'fluttering' at lower rev's and venting the air at higher revs.

PlasticStan Enthusiast

PlasticStan

Posted
Posted
just put a metal plate in the wastegate and take it 4 a drive and u will have flutter just open the two bolts and slide the metal in therefore blocking the air and making it return out the air filter

And the award for most insane post of the year goes too...... :)

If you block the wastegate your turbo will have no boost limit, and bye bye turbo.

:spcartman

Guest
This topic is now closed to further replies.
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • MBS206
      Mistakes were made, my R34 Story

      By MBS206 · Posted

      I see you've never had to push start your own car... You could save some weight right now...
    • niZmO_Man
      For Sale 2003 Nissan Skyline V35 GT350 Premium

      By niZmO_Man · Posted

      You need to put location and price
    • Murray_Calavera
      Steps to DIY sanding car back ready for respray....

      By Murray_Calavera · Posted

      Sounds good.  I don't 100% understand what your getting at here. When you say, "I keep seeing YouTube videos where people have new paint and primer land on the old clearcoat that isn't even dulled down" do you mean this - there is a panel with factory paint, without any prep work, they paint the entire panel with primer, then colour then clear?  If that's what you mean, sure it will "stick" for a year, 2 years, maybe 3 years? Who knows. But at some stage it will flake off and when it does it's going to come off in huge chunks and look horrific.  Of course read your technical data sheet for your paint, but generally speaking, you can apply primer to a scuffed/prepped clear coat. Generally speaking, I wouldn't do this. I would scuff/prep the clear and then lay colour then clear. Adding the primer to these steps just adds cost and time. It will stick to the clear coat provided it has been appropriately scuffed/prepped first.  When you say, "but the new paint is landing on the old clearcoat" I am imagining someone not masking up the car and just letting overspray go wherever it wants. Surely this isn't what you mean?  So I'll assume the following scenario - there is a small scratch. The person manages to somehow fill the scratch and now has a perfectly flat surface. They then spray colour and clear over this small masked off section of the car. Is this what you mean? If this is the case, yes the new paint will eventually flake off in X number of years time.  The easy solution is to scuff/prep all of the paint that hasn't been masked off in the repair area then lay the paint.  So you want to prep the surface, lay primer, then lay filler, then lay primer, then colour, then clear?  Life seems so much simpler if you prep, fill, primer, colour then clear.  There are very few reasons to go to bare metal. Chasing rust is a good example of why you'd go to bare metal.  A simple dent, there is no way in hell I'm going to bare metal for that repair. I've got enough on my plate without creating extra work for myself lol. 
    • tridentt150v
      S A U N S W Club Membership

      By tridentt150v · Posted

      Hi, Got the membership renewal email but haven't acted yet.  I need to change my address first. So if somebody can email me so I can change it that would be good.    
    • silviaz
      Steps to DIY sanding car back ready for respray....

      By silviaz · Posted

      Bit of a similar question, apprently with epoxy primer you can just sand the panel to 240 grit then apply it and put body filler on top. So does that basically mean you almost never have to go to bare metal for simple dents?
×
×
  • Create New...