blowoff valve flutter

B0B · August 22nd, 2008, 01:05 AM

i really like the sound of my BOV when i shift and stuff, but when i drive normally it flutters and its honestly getting really annoying. for you supercharged guys, does anyone else experience this?? its a greddy type-s BOV. i'm thinking about putting the stock procharger bypass back on but i don't think it will sound as cool. any suggestions?

hardhitter · August 22nd, 2008, 01:38 AM

Mine flutters and I don't mind.

B0B · August 22nd, 2008, 01:40 AM

well i took it off and put the stock bypass back on. it runs better and its quiet. the flutter caused it to miss

weems · August 22nd, 2008, 01:45 AM

tell ya what. just take off the whole system and ship it to me. ill take it off of your hands for free.

B0B · August 22nd, 2008, 01:47 AM

really?? thanks man you're awesome!

00vert · August 22nd, 2008, 01:49 AM

it flutters cause its not releasing all the pressure which puts strain on the supercharger.

RyanGT · August 22nd, 2008, 02:22 AM

Aftermarket blow off valve too much valve for the psi level?

00vert · August 22nd, 2008, 02:29 AM

Originally Posted by RyanGT

Aftermarket blow off valve too much valve for the psi level?

i think it just needs to be adjusted but idk alot about bov's

RyanGT where i washington are you im in bellingham which is north of seattle

RyanGT · August 22nd, 2008, 02:36 AM

I worked up there a few times. Im at Mill Creek. About 5 or 6 miles on 164th exit off I-5. (towards snoho, not highway 99).

Bob and limited are way south of us.

RyanGT · August 22nd, 2008, 02:39 AM

Any Washingtonians want free icecream stop by my stores when im working and you can get some dryers novelties (have to eat on isle though).

Im up at marysville winco on sundays.

00vert · August 22nd, 2008, 02:41 AM

your not to far from me. shit yeah free icecream ftmfw!!!

RyanGT · August 22nd, 2008, 02:45 AM

Haha im up there around 12-2 ish. always there around 1. Sometimes bit before sometimes bit after.. Seriously though if you see a dryers guy riding a pallet jack through the store thats me

Sorry to jack your thread bob!

00vert · August 22nd, 2008, 02:48 AM

i might have to make it down there. sorry bob i started it.

RyanGT · August 22nd, 2008, 02:55 AM

Feel free dude! Would be cool with me

supercharged03gt · August 22nd, 2008, 03:17 AM

Originally Posted by weems

tell ya what. just take off the whole system and ship it to me. ill take it off of your hands for free.

Hey I will even pay for shipping. haha but seriously let me know if you want to get rid of it. do you have any videos of the bov

mbmconstruction00 · August 22nd, 2008, 01:42 PM

its more than likely because its not adjusted properly...a lot of people adjust them for the sound n not performance

Reloaded · August 22nd, 2008, 02:29 PM

Well I had the Greddy BOV on my turbo-charged car. It fluttered untill I messed with the spring pressure and got it right. There should be a screw on the top of the BOV if it's the same set-up as my BOV was. You can make the spring tighter or looser to allow it to open and close more easily. Right now it sounds like the BOV is being opened enough to allow all the air to espace out.

Yeah I had the Type-S on my Eclipse.

hardhitter · August 22nd, 2008, 02:59 PM

So which way should we turn it to reduce the flutter? Looser?

Reloaded · August 22nd, 2008, 03:36 PM

Originally Posted by hardhitter

So which way should we turn it to reduce the flutter? Looser?

Correct. Sounds to me like the spring is too tight. So turn it towards the side that says looser on the top of the BOV. Should have a sticker that shows you which way to turn it. You'll have to mess with it. Do it little by little till it goes away.

hardhitter · August 22nd, 2008, 05:32 PM

It's already all the way loose.

August 22nd, 2008, 01:05 AM	#1
B0B Hardcore Enthusiast 2001 Mustang GT the speed of smell Join Date: Dec 2006 Location: Milton, WA Posts: 1,383	blowoff valve flutter i really like the sound of my BOV when i shift and stuff, but when i drive normally it flutters and its honestly getting really annoying. for you supercharged guys, does anyone else experience this?? its a greddy type-s BOV. i'm thinking about putting the stock procharger bypass back on but i don't think it will sound as cool. any suggestions? __________________ '01 GT P-1SC 383rwhp, 380rwtq 2003 Rubicon (DD) 05 Suzuki SV650S 55mpg moddedmustang's drunk story teller www.myspace.com/jeepwheelerbob

August 22nd, 2008, 01:38 AM	#2
hardhitter Enthusiast 1999 Mustang GT Join Date: Nov 2007 Location: Houston, TX Posts: 791	Mine flutters and I don't mind. __________________ Vortech V2-SQ

August 22nd, 2008, 01:40 AM	#3
B0B Hardcore Enthusiast 2001 Mustang GT the speed of smell Join Date: Dec 2006 Location: Milton, WA Posts: 1,383	well i took it off and put the stock bypass back on. it runs better and its quiet. the flutter caused it to miss __________________ '01 GT P-1SC 383rwhp, 380rwtq 2003 Rubicon (DD) 05 Suzuki SV650S 55mpg moddedmustang's drunk story teller www.myspace.com/jeepwheelerbob

August 22nd, 2008, 01:45 AM	#4
weems Where iss at? 2003 Mustang Mach 1 12.89@104.6 Join Date: Aug 2006 Location: Macon, GA Posts: 3,114	tell ya what. just take off the whole system and ship it to me. ill take it off of your hands for free. __________________ Beautiful

August 22nd, 2008, 01:47 AM	#5
B0B Hardcore Enthusiast 2001 Mustang GT the speed of smell Join Date: Dec 2006 Location: Milton, WA Posts: 1,383	really?? thanks man you're awesome! __________________ '01 GT P-1SC 383rwhp, 380rwtq 2003 Rubicon (DD) 05 Suzuki SV650S 55mpg moddedmustang's drunk story teller www.myspace.com/jeepwheelerbob

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August 22nd, 2008, 01:49 AM	#6
00vert Regular 2000 gt vert IT WILL NEVER BE FAST ENOUGH! Join Date: Oct 2007 Location: washington Posts: 418	it flutters cause its not releasing all the pressure which puts strain on the supercharger. __________________ Im topless, are you? Eibach Sportline Springs, 18x9 cobra r's, cdc side exhaust, cdc light bar, smoked headlights. Topless Mustang Club Founder August Birthday Club Member

August 22nd, 2008, 02:22 AM	#7
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,200	Aftermarket blow off valve too much valve for the psi level? __________________ 2000 Black convertible GT: KB 14psi, and other goodies...

August 22nd, 2008, 02:36 AM	#9
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,200	I worked up there a few times. Im at Mill Creek. About 5 or 6 miles on 164th exit off I-5. (towards snoho, not highway 99). Bob and limited are way south of us. __________________ 2000 Black convertible GT: KB 14psi, and other goodies...

August 22nd, 2008, 02:39 AM	#10
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,200	Any Washingtonians want free icecream stop by my stores when im working and you can get some dryers novelties (have to eat on isle though). Im up at marysville winco on sundays. __________________ 2000 Black convertible GT: KB 14psi, and other goodies...

August 22nd, 2008, 02:41 AM	#11
00vert Regular 2000 gt vert IT WILL NEVER BE FAST ENOUGH! Join Date: Oct 2007 Location: washington Posts: 418	your not to far from me. shit yeah free icecream ftmfw!!! __________________ Im topless, are you? Eibach Sportline Springs, 18x9 cobra r's, cdc side exhaust, cdc light bar, smoked headlights. Topless Mustang Club Founder August Birthday Club Member

August 22nd, 2008, 02:45 AM	#12
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,200	Haha im up there around 12-2 ish. always there around 1. Sometimes bit before sometimes bit after.. Seriously though if you see a dryers guy riding a pallet jack through the store thats me Sorry to jack your thread bob! __________________ 2000 Black convertible GT: KB 14psi, and other goodies...

August 22nd, 2008, 02:48 AM	#13
00vert Regular 2000 gt vert IT WILL NEVER BE FAST ENOUGH! Join Date: Oct 2007 Location: washington Posts: 418	i might have to make it down there. sorry bob i started it. __________________ Im topless, are you? Eibach Sportline Springs, 18x9 cobra r's, cdc side exhaust, cdc light bar, smoked headlights. Topless Mustang Club Founder August Birthday Club Member

August 22nd, 2008, 02:55 AM	#14
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,200	Feel free dude! Would be cool with me __________________ 2000 Black convertible GT: KB 14psi, and other goodies...

August 22nd, 2008, 01:42 PM	#16
mbmconstruction00 Regular 2004 GT Join Date: Feb 2008 Location: Chalfont, PA Posts: 436	its more than likely because its not adjusted properly...a lot of people adjust them for the sound n not performance __________________ Vortech Mongoose Kit,Meth Inj,Mac LT's & Pro-Chamber,SLP LM2,3:73,Accufab T-Body & Plenum,Pro 5.0 Shifter,FR500 Deep Dish Rims,H&R Springs,KYB Adj,MM CC Plates,Mach 1 Grill Delete & Spoiler,HID's,Saleen Wing,Steeda X2 & Bumpsteer

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August 22nd, 2008, 02:29 PM	#17
Reloaded Regular 2004 Mach 1 Join Date: Aug 2008 Location: Foster City, CA Posts: 378	Well I had the Greddy BOV on my turbo-charged car. It fluttered untill I messed with the spring pressure and got it right. There should be a screw on the top of the BOV if it's the same set-up as my BOV was. You can make the spring tighter or looser to allow it to open and close more easily. Right now it sounds like the BOV is being opened enough to allow all the air to espace out. Yeah I had the Type-S on my Eclipse. __________________ http://www.dirtydirtyracing.com For ALL your tuning needs! NO, I will NOT shut my hole! (In my hood) Last edited by Reloaded : August 22nd, 2008 at 02:31 PM.

August 22nd, 2008, 02:59 PM	#18
hardhitter Enthusiast 1999 Mustang GT Join Date: Nov 2007 Location: Houston, TX Posts: 791	So which way should we turn it to reduce the flutter? Looser? __________________ Vortech V2-SQ

August 22nd, 2008, 05:32 PM	#20
hardhitter Enthusiast 1999 Mustang GT Join Date: Nov 2007 Location: Houston, TX Posts: 791	It's already all the way loose. __________________ Vortech V2-SQ