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Where's the woosh sound? (Greddy RS BOV)

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Old Mar 19, 2009, 01:37 PM
  #16  
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yea, 12 psi before and after, no change. my car is pretty low, i'll have to lift it up and take a look. thanks evoIXcencal83.
Old Mar 19, 2009, 02:01 PM
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....open up your GReddy valve and look/find the tear in the diaphram. It's about $100/shipped (maybe a lil less) for just the replacement diaphram. VERY common problem in this valve. Buy a used JDM IX MR valve (I picked one up for $50 from a local evom member) and be done with it for good. My GReddy RS valve is now a fancy paper weight on my desk at work


Here is my torn diaphram in the GReddy RS: (the tear is just below my thumb)
Attached Thumbnails Where's the woosh sound?  (Greddy RS BOV)-greddy-rs-torn-diaphram.jpg  
Old Mar 19, 2009, 02:45 PM
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thanks IMR-TIM, but i had the boost issue before installed the BOV, guess I could have been more clear on that..
Old Mar 19, 2009, 02:49 PM
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^Timz to the rescue. Serously, you only need a IX "BOV" they are metal and rated to what...30 PSI, maybe more?
As for the boost leak just check you inner cooler piping, I checked mine, tighted it all down and the car felt SOOO much healthier!
Old Mar 20, 2009, 06:16 AM
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Originally Posted by [GBU]Moon
thanks IMR-TIM, but i had the boost issue before installed the BOV, guess I could have been more clear on that..

...even so, I recommend inspecting it while searching for your boost leak(s). My post was to help eliminate a 'possibility' that you may have overlooked. As I personally fell victim to this with my valve during a tune session. I wasn't thorough in my post by any means, however, I didn't want to write a story that contained all the same content that previous people have have already posted on going about finding your leak(s). Good luck.
Old Mar 20, 2009, 07:18 AM
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Originally Posted by IMR-TIM
...even so, I recommend inspecting it while searching for your boost leak(s). My post was to help eliminate a 'possibility' that you may have overlooked. As I personally fell victim to this with my valve during a tune session. I wasn't thorough in my post by any means, however, I didn't want to write a story that contained all the same content that previous people have have already posted on going about finding your leak(s). Good luck.
I guess I'm gonna be the 1st, but installing a BOV just to hear the "swoosh" is RICEY
Old Mar 20, 2009, 09:21 AM
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Addiction24
nah, someone referenced the rice-factor already.

IMR-TIM,
aaah, gotcha, thanks
Old Mar 20, 2009, 09:35 AM
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want to hear the WOOOSH sound.... Get a CAI

Step 1...find the boost leak. Take it to a shop if you don't know what's up.
Step 2...Sell the type rs bov
Step 3...Buy an evo 9 bov

Last edited by godmiller10; Mar 20, 2009 at 09:39 AM.
Old Mar 20, 2009, 09:57 AM
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what's the difference between an evo 8 BOV and an evo 9 BOV?
Old Mar 20, 2009, 10:05 AM
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Originally Posted by godmiller10
want to hear the WOOOSH sound.... Get a CAI

Step 1...find the boost leak. Take it to a shop if you don't know what's up.
Step 2...Sell the type rs bov
Step 3...Buy an evo 9 bov
+1
When I put my intake on ( stock BOV ) I heard a "swoosh" and I like WTF? Just put an intake on and you'll be happy.
Old Mar 20, 2009, 10:09 AM
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Originally Posted by [GBU]Moon
what's the difference between an evo 8 BOV and an evo 9 BOV?
a little research goes a long way.......

VIII = Plastic POS
IX = Metal FTW

Also have you ever touched your boost lines? has the car always hit 12psi since you bought it or did this just start to happen?
Old Mar 20, 2009, 12:48 PM
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build a boost leak tester and test regularly.
Old Mar 20, 2009, 10:03 PM
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Originally Posted by travman
a little research goes a long way.......

VIII = Plastic POS
IX = Metal FTW

Also have you ever touched your boost lines? has the car always hit 12psi since you bought it or did this just start to happen?
just started, i figured it has to be one of two things..

1) boost leak

2) plugs / wires
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