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Bypass Valve Question

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Old Aug 2, 2009 | 02:13 AM
  #1  
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Default Bypass Valve Question

Been browsing the forums learning stuff and I came across a thread on another forum reference bypass valves.
I have some newb questions. I’m currently running the Vortech Mondo BPV pictured here I was wondering what is the item circled in yellow?


Second question, is there some type of preventive maintenance I should be doing to it? read a few things about filters and such and I wasn’t sure what to make of it. I faithfully change the charger oil and clean airfilter but havent paid much attention to the BPV.

Last question Procharger Big Red Race Bypass Valve. I would like to swap out the Vortech for it but not sure how it relates to the rest of the system, meaning would it be overkill would it hurt me in any way as far as boost pressure etc or would it be fine? Ascetically I like the way it looks and I think it would complement the set up...thoughts? thanks!

Here is a pic of what Im looking at. I would have to have a flange welded on in order to get it to fit. I think this came off Mustang kit
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Old Aug 3, 2009 | 10:42 AM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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1st picture - Do you have another angle in order to see the other side we are looking at?

2nd - Yes you can switch out to the BPV it will work for you and it will not hinder your B@@ST!

A BPV closes when it see's or gets B@@STED and opens as soon as it gets Vacuum (which releases the BOOST pressure)

Thanks,Matt
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Old Aug 3, 2009 | 11:15 AM
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thanks Matt didnt think I was going to get answer unfortunatley I do not have another angle of that on my work puter I will check on my laptop when i get home and upload if I do.... you didnt address if maintenance was needed on it just want to make sure Im not overlooking anything..thanks!
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Old Aug 3, 2009 | 11:18 AM
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in pic 1 its a air muffler- we use them here
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Old Aug 3, 2009 | 11:24 AM
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ok thanks Slothy do I need to swap that out at any time?
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Old Aug 3, 2009 | 11:25 AM
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we use them here on air valves for air circuits and i have never heard of any needing to be replaced.
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Old Aug 3, 2009 | 11:26 AM
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thanks man!
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Old Aug 3, 2009 | 01:14 PM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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Originally Posted by MYLS6
thanks Matt didnt think I was going to get answer unfortunatley I do not have another angle of that on my work puter I will check on my laptop when i get home and upload if I do.... you didnt address if maintenance was needed on it just want to make sure Im not overlooking anything..thanks!
Sorry I took so long to get back to you, but they really don't need any maintenance. They usually don't go out.

On mine I just test it every so often, or watch it actuate and make sure the Vacuum line is still connected and not busted.

Thanks,Matt
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Old Aug 3, 2009 | 05:59 PM
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What exactly do these air mufflers do, anything besides the obvious? Mine has two of these and one was broken off when I received it.
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Old Aug 3, 2009 | 06:10 PM
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I believe the purpose of the sintered brass is an air filter, noise supression is secondary. The diaphragm moves when the blow off valve changes position, this filter assures no particles will get in.
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Old Aug 3, 2009 | 08:56 PM
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I lost the O-ring on my Vortech valve once. I was leaking boost obviously when it wasnt sealed in boost but didnt know it.
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Old Aug 5, 2009 | 03:24 PM
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From: FI Performance : Norwalk Connecticut www.FIPERFORMANCE.com
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I have had very good luck with thousands of these sold over the years. Quiet and reliable and can be plumbed on the exhaust side anywhere in the car. Lifetime replacement for any reason!!! If anyone wants one, PM me and I will take $10 off.

Hyperboost HX Compact Stealth BPV

Brian
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Old Aug 5, 2009 | 03:50 PM
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Originally Posted by briann510
I lost the O-ring on my Vortech valve once. I was leaking boost obviously when it wasnt sealed in boost but didnt know it.
where did you get a replacement ring from?
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Old Aug 5, 2009 | 03:50 PM
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Originally Posted by Brian@FI Performance
I have had very good luck with thousands of these sold over the years. Quiet and reliable and can be plumbed on the exhaust side anywhere in the car. Lifetime replacement for any reason!!! If anyone wants one, PM me and I will take $10 off.

Hyperboost HX Compact Stealth BPV

Brian
I'd like to see that
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Old Aug 5, 2009 | 08:17 PM
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Originally Posted by glennd
I believe the purpose of the sintered brass is an air filter, noise supression is secondary. The diaphragm moves when the blow off valve changes position, this filter assures no particles will get in.
That's what I thought, need to find a replacement for it quick.
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Old Aug 7, 2009 | 04:31 PM
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Originally Posted by AlwaysInBoost
I'd like to see that
Older design before I went to the louder SSQV

Brian
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