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Adjust BOV spring?

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Old Apr 15, 2005, 09:08 PM
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Adjust BOV spring?
Heard it was a stupid idea. Just want to get some input. I have an "evo 8 specific" HKS SSQV...or so said the seller. Does this mean my spring is adjusted for my car already?


the reason why i even considered it in the first place is because iv'e got a little bit of flutter at low rpms and i figure if i tighten the spring a hair it might reduce it.
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Old Apr 16, 2005, 04:28 PM
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are you kidding me? no one knows?
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Old Apr 16, 2005, 04:30 PM
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DONT TOUCH THE SCREW, its supposed to flutter, its already adjusted to where it needs to be,mine does the same thing
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Old Apr 16, 2005, 04:31 PM
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unless you're boosting pass 23 psi, it wont hold your boost.... or something higher psi.

then you have to tighted the screw. after you tightened the screw, it still flutters.
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Old Apr 16, 2005, 04:33 PM
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it is not suppose to flutter, loosen until it stops unless your running high boost
Originally Posted by si_eater
DONT TOUCH THE SCREW, its supposed to flutter, its already adjusted to where it needs to be,mine does the same thing
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Old Apr 16, 2005, 04:39 PM
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Originally Posted by an0ther
it is not suppose to flutter, loosen until it stops unless your running high boost
are you sure its not supposed to flutter, because ive gone through this before and ive always been told to not touch the screw, and that the flutter is normal at low rpms

heres where i got my info they say it flutters at part throttle, but malibu says you might be able to adjust a little,(i dont think i would touch it)
http://https://www.evolutionm.net/fo...ad.php?t=88637
Last edited by si_eater; Apr 16, 2005 at 04:49 PM.
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Old Apr 16, 2005, 08:20 PM
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I installed mine yesterday out of the box didn't seem to need to adjust anything. I think the instructions specifically say its set for the Evo already. I haven't noticed any flutter at all though.
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Old Apr 16, 2005, 08:44 PM
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flutter is turbo surge. they do flutter and it is hard to get them not too. i went through 3 bov's before i found one that didnt flutter.
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Old Apr 16, 2005, 09:20 PM
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errr....turbo surge is no good. Which one did you end up going with? If you do not experience the flutter what kind of BOV are you running?
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Old Apr 16, 2005, 11:32 PM
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the HKS people actually pleaded people not to adjust the screw though...
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Old Apr 16, 2005, 11:42 PM
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Originally Posted by an0ther
flutter is turbo surge. they do flutter and it is hard to get them not too. i went through 3 bov's before i found one that didnt flutter.
Exaactly, people always try to tell me how flutter is ok and if you know how the fluttering happens, you'll understand it better and realize WHY its no good. if fluttering happens it means its too stiff for the boost you're running. higher boost=stiffer spring
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Old Apr 17, 2005, 06:52 AM
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READ HERE!

https://www.evolutionm.net/forums/sh...ad.php?t=88637
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