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10 Posts
Here is a quick video of the installation of the TurboXS Blow Off Valve for the 2019 Veloster N
Installed: TurboXS Veloster N Blow Off Valve
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48 Posts
Is there any reason besides sound, to change the factory bpv?
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128 Posts
Yes, if you are running additional boost thru the installation of a piggyback tuner or aftermarket tune. It will provide quicker boost recovery during shifts, more consistency and reliability operation. It will also keep you from damaging the diaphragm of the stock boost control valve. This generally happens when the boost is higher than the OEM BOV specifications and the BOV can handle.
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48 Posts
Sure, in theory. Unless the stock BPV has been shown to leak or fail, then it's really a waste of money. Bumping up the boost on the stock turbo is most likely still going to be within the engineered safety factor.
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128 Posts
Ah yea, you asked and were informed.
LMAO! No, in reality actually!
An OEM boost valve doesn't recover nearly as quickly as and aftermarket valve between shifts to maintain active boost on acceleration. Anyone who has use them, is aware and knows it! It can either be vented to the atmosphere or the recycled, doesn't matter but will be far more consistent and reliable, then the OEM unit. Add a boost valve module and it's even more robust and accurate. The OEM valves are crap quality, straight up. Any static increase of over 20 psi on a continual basis, across the rpm range will deform and tear and OEM's diaphragm.
Bumping boost, moot point it's already been done with many of the piggyback tuners already available for the N.:grin:
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48 Posts
Uhhhhhh, yeah, it was more of a rhetorical question regarding the sound. I know about BPV/BOV's. This is not my first turbo car.
Thank you for answering, but I'm really looking for any testing/empirical evidence of failure or poor performance for this exact part. I don't rely on anecdotal information and blanket statements.
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128 Posts
Sounds like it's your first and pretty consistent with your anecdotal and blanket responses. :wink:
Whatever, there's plenty of information on the Internet and in book form also. You just have to do the research, if you're willing. However, you not going to get your empirical evidence or technical information on an enthusiast forum. Go look for it and have fun!
LMAO, Some of us have been around for more than 6 decades dealing with turbocharging and engine building first hand, not theoretically or hypothetically! LMAO :grin:
Whatever, there's plenty of information on the Internet and in book form also. You just have to do the research, if you're willing. However, you not going to get your empirical evidence or technical information on an enthusiast forum. Go look for it and have fun!
LMAO, Some of us have been around for more than 6 decades dealing with turbocharging and engine building first hand, not theoretically or hypothetically! LMAO :grin:
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84 Posts
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128 Posts
Yes, it will improve performance but not as a power added. It will make boost recovery between shifts much faster, reliable and efficient. It's fairly noticeable on dynamometer and the seat of the pants, on the road.
Most of the aftermarket BOV's are manufactured and assembled with precision to exact specifications. They are much more robust than the plastic OEM units. They utilize o-ring seals and aluminum alloy pistons, to ensure a direct seal. The OEM BOV's don't but instead utilize a rubber diaphragm. Most aftermarket BOV's are rebuildable and give you precise, repeatable operation at boost pressure far above, what the OEM unit is able. They will also aid in reducing boost flutter which can reduce turbo bearing life. An OEM unit isn't designed too.
There are others then what has been displayed and more efficient as well. Shop around and make comparisons in price and construction. Stay away from cheap knockoffs. They are easy to spot.
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6 Posts
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128 Posts
No not yet but I will be.
GFB T9210 Hybrid Blow Off Valve
Forge Motorsport Blow Off / Recirculating Dump Valve
Turbosmart Dump Valve Kompact Dual Port BOV
Respons TMS Direct fit Blow off valve or BOV.
Decisions, decisions!!:grin:
GFB T9210 Hybrid Blow Off Valve
Forge Motorsport Blow Off / Recirculating Dump Valve
Turbosmart Dump Valve Kompact Dual Port BOV
Respons TMS Direct fit Blow off valve or BOV.
Decisions, decisions!!:grin:
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132 Posts
All I know is, i installed a recommended T9110 part number, GFB Mach 2 recirculating valve for my VN,
this is the one genracer dot com sells for the i30n + veloster N, the mounting o-ring doesn't match the factory o-ring, and ever since i installed it, my car sounds like a vacuum cleaner. I've read as much as I could find on the valve spring for BPV's and have tweaked this thing tight and loose. Returning it :/
the bov from this original post does have a mounting o-ring that matches the factory o-ring... but i dont know - im going to put the stock one back on and see if my car sounds normal again lol
this is the one genracer dot com sells for the i30n + veloster N, the mounting o-ring doesn't match the factory o-ring, and ever since i installed it, my car sounds like a vacuum cleaner. I've read as much as I could find on the valve spring for BPV's and have tweaked this thing tight and loose. Returning it :/
the bov from this original post does have a mounting o-ring that matches the factory o-ring... but i dont know - im going to put the stock one back on and see if my car sounds normal again lol
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368 Posts
Sounds like they sent the wrong one. They sent me a VW atmospheric adapter by accident when i ordered mine lol gen racer takes mistakes very seriously and he was relentlessly messaging gfb to correct the issue for me.
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