Loud bov ps
Hey humans
I'm running td04H with ms2 enhanced and oem group vag plastic bov. I'm looking to replacement this plastic stupid thing. What bov u running? Any options? Thanks |
hks ssqv for me
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In the UK I have a collinsperformance dump valve.
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Turbosmart compact was enough to drive me nuts. Way too loud vta.
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i went from an hks ssqv to a turbo smart compact vta and i miss my hks. both are loud but i liked the way the hks sounded. I bought it used and after 3 years of me running it it junked out and than did the turbosmart
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Originally Posted by MaineMiata91
(Post 1502656)
i went from an hks ssqv to a turbo smart compact vta and i miss my hks. both are loud but i liked the way the hks sounded. I bought it used and after 3 years of me running it it junked out and than did the turbosmart
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Originally Posted by andyfloyd
(Post 1502679)
Ive never had an HKS crap out on me, if its a genuine HKS there isnt really anything that can break aside from maybe the diaphragm on the rear of the valve. I too think the HKS is the best sounding BOV in existance and they dont leak.
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Run a BPV not a BOV unless you are making serious power like 500+. They perform better and allow more consistent pressure.
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Originally Posted by brainzata
(Post 1502814)
Run a BPV not a BOV unless you are making serious power like 500+. They perform better and allow more consistent pressure.
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Originally Posted by brainzata
(Post 1502814)
Run a BPV not a BOV unless you are making serious power like 500+. They perform better and allow more consistent pressure.
also I should probably re-name this thread to: "let's really explore our ricer side" |
Originally Posted by huesmann
(Post 1502831)
I highly suspect he's actually running a BPV but calling it a BOV. He says it's an OEM VW part—do many OEMs put BOVs on their cars?
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Originally Posted by 18psi
(Post 1502836)
el oh el. I'm dying to hear the explanation behind a statement like this. Literally dying.
also I should probably re-name this thread to: "let's really explore our ricer side" We all know a BOV vta. BPV's contain the pressure, which helps the turbos efficiency when running through gears. BOV are the safe and easy way for high power and BPV are used by OEM because metered air and because they are more efficient due to the pressure helping the turbo regain it's momentum. BOV are for safety, specifically to prevent turbo surge, where as a BPV does in a different way but also adds to performance by helping the turbo. There are many legit sources you can find this. Once you reach a high power number and Im sure it verys from engine/set up to others, a BOV is needed because the BPV will be limited as far as releaseing the pressure safely which is why someone invented a Hybrid BOV/BPV which splits the pressure to VTA and contain half to help the turbo pick up speed. |
Originally Posted by brainzata
(Post 1502856)
Well die on homeslice.
We all know a BOV vta. BPV's contain the pressure, which helps the turbos efficiency when running through gears. BOV are the safe and easy way for high power and BPV are used by OEM because metered air and because they are more efficient due to the pressure helping the turbo regain it's momentum. BOV are for safety, specifically to prevent turbo surge, where as a BPV does in a different way but also adds to performance by helping the turbo. There are many legit sources you can find this. Once you reach a high power number and Im sure it verys from engine/set up to others, a BOV is needed because the BPV will be limited as far as releaseing the pressure safely which is why someone invented a Hybrid BOV/BPV which splits the pressure to VTA and contain half to help the turbo pick up speed. Have you ever seen any measured or recorded a/b data to prove this theory? I ask because your comment about "pressure" is based on restrictive oe box/element whereas almost no one under the sun retains these on custom turbo setups, so your "recirculated air/pressure" does exactly zero on a speed density based custom turbo miata breathing through a 3" inlet pipe connected to a super high flowing cone filter. Once you move away from a maf, there is no real reason to stay recirc. (though I still do because I absolutely HATE ricey "blow off" noises and despise the KING OF RICE aka the ssqv, lol) |
I'm aware I don't explain things well. I however do know that venting all the pressure out is not desired, but it is a easy way to solve a problem with turbo surge. I also understand a BPV is always used with cars using MAFs ect as the air has to stay within the system. I also know the BOV can only be used with a standalone/no meters. I don't have data. I have logical reasoning lol. I haven't studied this but researched enough to have a grasp on the differences and reading through "data" from I think Garrett or another reputable company(not a BPV/BOV manufacturer), describing about when a BOV gets chosen over a BPV . My comment about pressure was not focused on a OEM intake system, but more so a full custom/kitted intake that uses a bpv plumbed in. I also don't vape. BUt you kinda seem like a vaper with your old forester :giggle:
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what if I told you that I'm a subaru enthusiast.............THAT DOESN'T VAPE?!
I love it when someone makes a definitive statement. Then backs it up with hard data, ie: thoughts, hopes, and ponderings *insert philosoraptor gif* :) |
Originally Posted by 18psi
(Post 1502891)
what if I told you that I'm a subaru enthusiast.............THAT DOESN'T VAPE?!
I love it when someone makes a definitive statement. Then backs it up with hard data, ie: thoughts, hopes, and ponderings *insert philosoraptor gif* :) I am also a non vaping subawoo enthusiast but not quite as much as you I believe. |
Its not what I said it’s how I said it right? Sorry bbgurll I forget to be gentle around the delicate snowflakes:giggle: I wish I still had my “old forester”. Loved that car |
MM neither. I've been around long enough that I am just waiting for 18psi of vape smoke to pressurize the thread when I say something not backed up with data or is just my opinion lol.
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The difference between a BOV and a BPV may be nothing more that adding a hose between the outlet of the valve to the inlet pipe, between the filter and compressor. Same part, with or without the return line. Same vacuum line, same spring, same response to throttle lift. Just less PSSSSSHHHH with BPV. Or the BOV can have an obnoxious whistle added to the outlet. Not sure I've ever seen or heard one of these in person.
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If you're not using a duck call on the BOV you're not venting right
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