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Forge Type RS Recirculating Bypass Valve

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Old Feb 25, 2010, 07:42 AM
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Forge Type RS Recirculating Bypass Valve

Anyone have any audio or video clips with this on their car?
I was thinking about getting it. But i wanna get some feedback first. Thanks guys.
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Old Feb 25, 2010, 07:51 AM
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I would not recommend one for the stock turbo as they tend to cause a lot of bov flutter until you move up to a larger turbo...just a fyi.
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Old Feb 25, 2010, 08:18 AM
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So when should I get a bov then? Mines stock Evo VIII at the moment. And only mods will be Megan DP, ETS DPB Exhaust, NGK Iridium Spark Plugs, ETS LICP, and an ETS Intak Kit. But I have future plans of at least 500whp with an FP Black or Red.
Should I get any of these?
http://www.maperformance.com/works-d...valve-evo.html
or
http://www.maperformance.com/samco-s...cobov-evo.html
or
http://www.maperformance.com/evo-vii...alves-turboxs/
or
http://www.maperformance.com/evo-vii...-valves-forge/
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Old Feb 25, 2010, 08:46 AM
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A Metal IX BOV will suit your mods well, they are good for up to 24-25 PSI and can be found for ~$130 or less. I wouldnt worry about a bigger one until you are ready to make the plunge into a larger turbo / more mods. Oh, and you should add a boost controller / fuel pump to your initial list
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Old Feb 25, 2010, 08:52 AM
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There are enough threads on this subject to pave a path to the moon.

el-seacrho.......
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Old Feb 25, 2010, 09:08 AM
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Originally Posted by JJsEvo8
A Metal IX BOV will suit your mods well, they are good for up to 24-25 PSI and can be found for ~$130 or less. I wouldnt worry about a bigger one until you are ready to make the plunge into a larger turbo / more mods. Oh, and you should add a boost controller / fuel pump to your initial list
Sorry about that....I also am getting both those thing installed...sry failed to mention those. My bad.

Reason im asking is cuz they say the stock evo viii bov is limited. What the highest to boost the stock viii turbo on 93 pump?
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Old Feb 25, 2010, 10:20 AM
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Ive got one on my evo with the stock turbo, there is a lotttt of flutter. You either need to be like 1/8th pedal, or all out. Half pedal is a no go. I bought it cause my oem bov leaked like a sieve and my stock turbo is at 30psi and I knew I would be going to a bigger turbo soon anyway.

Its very quiet while driving around, and at wot when it needs to vent it sounds like my friends tial 50mm, it has the same tone, but its still not very loud at all especially being recirculated. I love it.
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Old Feb 25, 2010, 10:24 AM
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The 05 has the cheap plastic bov, its barely good for 19-20 PSI. I was running 22 PSI on the stock 8 turbo with 91 and the Metal IX BOV. You can go a little higher with 93, or alot higher if you switch to E85

Last edited by JJsEvo8; Feb 25, 2010 at 10:29 AM.
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Old Feb 25, 2010, 10:27 AM
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Get the IX Bov to start out. Sounds pretty good and I'm running 24psi. You could also look into buying a reman IX BOV that can hold more.
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Old Feb 25, 2010, 11:24 AM
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Originally Posted by Svendiesel
Ive got one on my evo with the stock turbo, there is a lotttt of flutter. You either need to be like 1/8th pedal, or all out. Half pedal is a no go. I bought it cause my oem bov leaked like a sieve and my stock turbo is at 30psi and I knew I would be going to a bigger turbo soon anyway.

Its very quiet while driving around, and at wot when it needs to vent it sounds like my friends tial 50mm, it has the same tone, but its still not very loud at all especially being recirculated. I love it.
What r ur mods?
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Old Feb 28, 2010, 04:06 PM
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Hks 272s, Smc alcohol kit, ARP head studs, Buschur 3.5" intercooler with lower pipe and upper short route piping and buschur mini battery, Buschur 3" catless tbe, Buschur maf intake kit, a Forge MBC, and the Forge RS bov recirculated.
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Old Feb 28, 2010, 04:10 PM
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