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Old 02-24-2013, 03:43 AM   #16 (permalink)
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Selling?
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Old 02-24-2013, 08:07 AM   #17 (permalink)
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I orderd my spring thursday. Will be here next week.
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Old 02-24-2013, 12:01 PM   #18 (permalink)
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Because the stock BOV could still let pressure out, because it was not designed to withstand greater than 18psi! The spring will tighten the stock BOV to ensure it will not leak.
thanks for the info Racer X but if im completely removing the stock bov im confused about having to place a spring on the stock bov to hold the pressure, so the car would have 2 bov's?

My thought after asking dejon powerhouse was after removing the stock bov i'd replace it with HKS and use the compressor bypass valve clamp and call it a day but i was just looking for a second opinion.
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Old 02-25-2013, 10:52 AM   #19 (permalink)
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thanks for the info Racer X but if im completely removing the stock bov im confused about having to place a spring on the stock bov to hold the pressure, so the car would have 2 bov's?

My thought after asking dejon powerhouse was after removing the stock bov i'd replace it with HKS and use the compressor bypass valve clamp and call it a day but i was just looking for a second opinion.
You aren't going to be able to completely remove the factory BOV as it is part of the factory turbo- and cannot be removed without getting a new compressor housing.

Have you examined the factory BOV? take a look at it--- it requires a 10mm socket, and it has 3 bolts on the front.
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Old 02-25-2013, 02:29 PM   #20 (permalink)
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Are you on the stock turbo? if so, then why are you wanting to vent to atmosphere? just for the noise? that's gonna require a complete re-tune to go along with that BOV, maf relocation, and IC piping. kind of a huge waste of money for a little bit of noise dont ya think? if you want the sound, just upgrade the spring and ditch the stock airbox in lieu of a CAI.

Here's a little reading from the guy who did your tune.
http://www.wot-tuning.com/forums/top...f-valves-bovs/

There's a bit more to your BOV swap than you may be willing to deal with for just a little more noise. Those who do have an external BOV on a Solstice usually have an upgraded turbo that requires it.
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Last edited by Valhalla; 02-25-2013 at 02:39 PM.
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Old 02-25-2013, 03:02 PM   #21 (permalink)
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Forge Motorsports 2.0T Atmospheric Bypass Valve

If you must get a BOV, The forge is a very easy install- simple replacement to the stock BPV. You will still need a tune, trifecta ECP tune is the easiest.

I have a tial only because i bought the car with it on. I'm almost debating spending money going back to stock due to power loss from it. The sound is totally not worth it, the turbo sounds better with just a BPV and aluminum intake imo.
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Old 02-25-2013, 03:07 PM   #22 (permalink)
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RacerX - my car is in storage but i was finally able to check out the engine locate the MAF and BOV my tuner also suggest against the BOV but i saw what you are talking about thanks for the info.

So stock BOV with intake lol ill keep the soltice a sleeper for now.
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Old 02-25-2013, 05:19 PM   #23 (permalink)
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Originally Posted by Valhalla View Post
Are you on the stock turbo? if so, then why are you wanting to vent to atmosphere? just for the noise? that's gonna require a complete re-tune to go along with that BOV, maf relocation, and IC piping. kind of a huge waste of money for a little bit of noise dont ya think? if you want the sound, just upgrade the spring and ditch the stock airbox in lieu of a CAI.

Here's a little reading from the guy who did your tune.
Why does Vince get so grumpy about blow off valves (BOVs)? - 2.0L Turbo SIDI 1st Gen (LNF, LHU, LDK) - WOT-Tuning.com

There's a bit more to your BOV swap than you may be willing to deal with for just a little more noise. Those who do have an external BOV on a Solstice usually have an upgraded turbo that requires it.
Not always- just to be clear the OP was asking how to go about installing a vent to atmosphere BOV- which you can do with the stock turbo and would not need a tune for--- I personally would not do it without a ton of upgrades warrenting it. Second, you DO NOT have to relocate your MAF in order to vent to atmosphere- not sure where this comes from- just want to make sure peeps are aware. Finally, the stock BPV will blow off and make the cute squish noise but is not loud by any means and when you hear a BOV vent to atmosphere you'll be back to your original idea. Here's a video of my car with the stock BPV and a short ram intake.
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Old 02-25-2013, 05:51 PM   #24 (permalink)
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Originally Posted by Racer_X View Post
Not always- just to be clear the OP was asking how to go about installing a vent to atmosphere BOV- which you can do with the stock turbo and would not need a tune for--- I personally would not do it without a ton of upgrades warrenting it. Second, you DO NOT have to relocate your MAF in order to vent to atmosphere- not sure where this comes from- just want to make sure peeps are aware. Finally, the stock BPV will blow off and make the cute squish noise but is not loud by any means and when you hear a BOV vent to atmosphere you'll be back to your original idea. Here's a video of my car with the stock BPV and a short ram intake.
Solstice GXP-R Fly-by - YouTube
because your MAF is located before the turbo in the intake tube from the filter. If you are venting charged and already metered air to atmosphere you will get a check engine light as the exhaust output is less than the metered intake of air unless you are re-tuned for it specifically. if the MAF were relocated to AFTER the bov in the charge pipes, then there isn't as much of an issue and makes it much easier to play around with.

In his case with a stock turbo, he will need to block off the factory BPV, add in a BOV to the pipe from the IC to the TB and have the car re-tuned so that he doesn't trigger limp mode.

so $365ish bucks for a BOV
$65ish for a BPV block off plate
$300ish for IC pipes with a BOV flange
and depending on whether or not he has the budget tune or the full tune from trifecta, it could be $400 or $75 if he owns a cable and has a full tune.

all for a little more noise?

do this instead and say screw the noise...
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Old 02-26-2013, 07:47 AM   #25 (permalink)
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I understand why you think itll throw a code-- i can promise you I never rec'd a check engine light from a vent to atmosphere BOV! But regardless how do you compare an at most $200.00 modification to a potentially $2000+ modification-? OP you can get a brand new BOV and flange for 100 - 150 and have a aluminum welder put the flange on your ic pipes for less than 50.00!! Good luck buddy
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Old 02-26-2013, 05:38 PM   #26 (permalink)
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Again excellent points from both sides but i decided to lay some more power before changing the bov i'd like to become more familiar with the car and my mechanic needs to understand the modding how i want it done his and old school muscle car builder.
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Old 02-27-2013, 06:21 AM   #27 (permalink)
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All you really need is the k@n intake and you will get a nice turbo release sound.
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Old 04-17-2013, 04:16 PM   #28 (permalink)
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Hey Racer X, I just installed the Tial bov on the driver side charge pipe, and put a block off plate on the stock bov on the compressor. All I did was relocate the hose that was on the stock bov to the Tial. Is this correct?? So I should or shouldn't keep the spring in, I left the stock spring in. I haven't had any kind of cel, but then again I just drove it around for a little bit. It has an ugly "turkey sounding" as opposed to the nice "QUEEF" i used to have. Is there anything I'm doing wrong??? I have a trifecta 23psi tune, DDM intercooler pipes, TB/IM spacers, SOLO center exhaust, SOLO downpipe catless, Dejon Intake, and Dejon Intercooler.
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Old 04-18-2013, 08:21 AM   #29 (permalink)
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I understand there is no need for an aftermarket bov, but I wanted to install it and get it over with since I'm planning on doing another turbo anyway. Suggestions as to why it sounds like a suffocating turkey? It's the same sound I got when I installed the Dejon Spring, which gave me a cel shortly so I went back to stock spring. Is it because it's not opening up and releasing correctly?? Do I have to adjust the Tial or do anything different? I remember reading somewhere that a "tee" was used to keep both bov's operational, which I think Racer X posted somewhere. Is the block off plate just not functional?? I'm wondering why they sell it for our stock turbos if I can't even use it.
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Old 04-18-2013, 01:32 PM   #30 (permalink)
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First-- Tial can be adjusted--- as long as you have the vacuum source it with blow off.. The turkey-call noise usually comes from the BOV being too tight- Oh and no the stock BPV does not have to be connected--- BTW also how did you install the BPV spring--- it goes behind the diaphragm.

Question- are you running a "real" TiAL BOV (i.e. TiAL Q) if not--- that's the culprit--- cheap BOV's were not designed to handle the boost pressures that we run!

Anyway Pmm'ed you back let me know or call me 916.690.9147
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