2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

Synapse Synchronic BOV with dejon pipes

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Old 12-29-2008, 07:01 PM
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Originally Posted by kling1022
SO let me get this right. You just put a block off plate on the factory BPV, install the synapse one on your intercooler pipe, Run the vacuum line that was originally on your factory BPV to the new synapse BOV, and that's it right?
I believe that is correct, you would use somthing like this from Hahn:

Link:
http://www.turbotechracing.com/produ...idproduct=5228

Old 12-29-2008, 07:01 PM
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I run a synapse synchronic BOV on my turbo cobalt. I have never heard a hint of turbo lsurge.

Last edited by Maxim_X; 12-31-2008 at 03:32 PM.
Old 12-29-2008, 07:08 PM
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So one person gave me one answer and the other gave me another answer lol this is confusing
Old 12-29-2008, 07:22 PM
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Originally Posted by slowswap
There is no, I repeat, no better BOV on the market then Synapse. Others may come close, but Synapse is the original, and they have perfected their design.

A side comment.....

If you buy a BOV based on looks, or the sound it makes, you are the BIGGEST MORON on the face of this planet.

A BOV should be purchased based on how well it does it's job, and that is removing boost from the intercooler piping as quickly as possible as to prevent damage to the turbo from compressor surge.
sure....
it's a great design don't get me wrong.... but the TiAl 50mm is bad ass, as is the Hahn one (I currently run the Hahn). no surge, opens at any boot level, andit's adjustable.
Old 12-29-2008, 07:24 PM
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Originally Posted by 06blackg85ss
sure....
it's a great design don't get me wrong.... but the TiAl 50mm is bad ass, as is the Hahn one (I currently run the Hahn). no surge, opens at any boot level, andit's adjustable.
Have not had much experience with the Tial, but I will agree with the Hahn, we have seen it in action and it works very well!
Old 12-29-2008, 07:41 PM
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Tial is great product but if you dont't let off the gas fully, the vacuum required to open thev BOV will not be achieved causing compressor surge.

As far as the Hahn. It seems like a good product but I can't for the life of me figure out why you need adjustability?
Old 12-29-2008, 07:59 PM
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Originally Posted by slowswap
Tial is great product but if you dont't let off the gas fully, the vacuum required to open thev BOV will not be achieved causing compressor surge.

As far as the Hahn. It seems like a good product but I can't for the life of me figure out why you need adjustability?
that's why you run a lighter spring.
as for adjustability... one BOV fits all, no need to swap out springs. You can adjust it for your own setup (like myself) No matter what turbo, motor etc, you an make it work with a simple twist.... can't beat that.
Old 12-29-2008, 08:08 PM
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im getting the synapses f the hks one, synapses is close tothe same cost and seems to be a better BOV
Old 12-29-2008, 08:39 PM
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Originally Posted by TurboTechRacing
That's a great price!

Don't forget to add the option for the Anti-Stall Valve kit as well.

Originally Posted by slowswap
You want to retain factory recirc unless you're tuned accordingly.
Technically you don't have to

Last edited by 08BlackSS/TC; 12-29-2008 at 08:39 PM. Reason: Automerged Doublepost
Old 12-29-2008, 08:40 PM
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Originally Posted by 08BlackSS/TC
That's a great price!

Don't forget to add the option for the Anti-Stall Valve kit as well.



Technically you don't have to
Do you have a link? or a part number?
Old 12-29-2008, 08:42 PM
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Originally Posted by TurboTechRacing
Do you have a link? or a part number?
I had it in the first post when you asked for part #'s

Part #: SB001.5A
Old 12-29-2008, 08:46 PM
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Didnt see it

Here is a link many should check out:

http://www.youtube.com/watch?v=M2--IIMSa9A
Old 12-29-2008, 08:47 PM
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so if you block off the factory one and put this one on you won't lose any performance or anything right? And also will this pretty much eliminate your NLS?
Old 12-29-2008, 08:52 PM
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Originally Posted by 06blackg85ss
that's why you run a lighter spring.
as for adjustability... one BOV fits all, no need to swap out springs. You can adjust it for your own setup (like myself) No matter what turbo, motor etc, you an make it work with a simple twist.... can't beat that.
That's what's great about the Synapse. There are no adjustments ever. Hook it up and its perfect for any setup. It's all in how it's designed.

Originally Posted by kling1022
so if you block off the factory one and put this one on you won't lose any performance or anything right? And also will this pretty much eliminate your NLS?
Most MAF cars will run rich when you shift with a VTA BOV, unless you're tuned for it. Even then, a MAF if tricky to tune for that. MAP sensors FTW.

NLS is computer controlled and this as no effect on it.

Last edited by slowswap; 12-29-2008 at 08:52 PM. Reason: Automerged Doublepost
Old 12-29-2008, 09:01 PM
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Originally Posted by 08BlackSS/TC

Don't forget to add the option for the Anti-Stall Valve kit as well.



Added as an upgrade option.
Old 12-29-2008, 09:09 PM
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TTR is awesome. You have won my business. I'll be ordering this soon

You guys work harder than a fat chick trying to get laid at a frat party

Last edited by kling1022; 12-29-2008 at 09:09 PM. Reason: Automerged Doublepost
Old 12-29-2008, 09:42 PM
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Originally Posted by FASTECOTEC
i would buy from hahn
Old 12-29-2008, 10:25 PM
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Originally Posted by TurboTechRacing
Didnt see it

Here is a link many should check out:

http://www.youtube.com/watch?v=M2--IIMSa9A
I posted that earlier too

Originally Posted by TurboTechRacing
Added as an upgrade option.
Sweet! I'll order as soon as I get my car back and have the $$ on hand
Old 12-30-2008, 03:43 PM
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You know I totally forgot to mention to all the people that want/are running a VTA BOV have to relocate their MAF sensor AFTER the BOV and have it tuned properly. Or you can use a recirc BOV like the Synchronic and recirculate it back to where it normal dumps.

If you want to VTA without relocating your MAF then use the Synchronic BOV with the anti-stall kit. You can't just use any BOV without having to relocate the MAF.

Otherwise, you are really messing up the fuel trims and are probably running too rich
Old 12-30-2008, 04:00 PM
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Originally Posted by 08BlackSS/TC
You know I totally forgot to mention to all the people that want/are running a VTA BOV have to relocate their MAF sensor AFTER the BOV and have it tuned properly. Or you can use a recirc BOV like the Synchronic and recirculate it back to where it normal dumps.

If you want to VTA without relocating your MAF then use the Synchronic BOV with the anti-stall kit. You can't just use any BOV without having to relocate the MAF.

Otherwise, you are really messing up the fuel trims and are probably running too rich
I am doing it right now with 0 problems. the computer is so fast to react to commanded fuel that the .01 of sec that it goes rich is not nearly enough to cause and drivability concerns in my car....
Old 12-30-2008, 04:19 PM
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Originally Posted by boostking
I am doing it right now with 0 problems. the computer is so fast to react to commanded fuel that the .01 of sec that it goes rich is not nearly enough to cause and drivability concerns in my car....
You may not notice it in drivability but it's not going to be good in the long run.

Think of it this way:

(Stock setup)

1. Air enters thru the intake and MAF sensor reads how much fuel it needs.
2. Goes thru compressor inlet and out the hot side of the charge piping
3. Thru hot side of charge piping and into the intercooler
4. Thru intercooler and out to the cold side of charge piping and into the intake manifold

Notice no air being released!

Now (with VTA BOV)

1. Air enters thru the intake and MAF sensor reads how much fuel it needs.
2. Goes thru compressor inlet and out the hot side of the charge piping
3. Thru hot side of charge piping and some air vents thru BOV then enters the intercooler
4. Thru intercooler and out to the cold side of charge piping and into the intake manifold

That air lost is not being taken into account because the MAF was before the BOV. Now if the MAF is after the BOV then you wouldn't have to take into account that air that was released.

Hope this helps.
Old 12-30-2008, 04:57 PM
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Originally Posted by 08BlackSS/TC
You may not notice it in drivability but it's not going to be good in the long run.

Think of it this way:

(Stock setup)

1. Air enters thru the intake and MAF sensor reads how much fuel it needs.
2. Goes thru compressor inlet and out the hot side of the charge piping
3. Thru hot side of charge piping and into the intercooler
4. Thru intercooler and out to the cold side of charge piping and into the intake manifold

Notice no air being released!

Now (with VTA BOV)

1. Air enters thru the intake and MAF sensor reads how much fuel it needs.
2. Goes thru compressor inlet and out the hot side of the charge piping
3. Thru hot side of charge piping and some air vents thru BOV then enters the intercooler
4. Thru intercooler and out to the cold side of charge piping and into the intake manifold

That air lost is not being taken into account because the MAF was before the BOV. Now if the MAF is after the BOV then you wouldn't have to take into account that air that was released.

Hope this helps.
the lost air is being taken into account via the wideband. the computer is very quick at adjusting fuel for whatever is commanded. I have no concerns with this setup nor do I see any long term concerns. this is not your everyday maf car. with a maf,map,ita/map, and wideband the car is very good at hitting commanded a/f. you see this while tuning as well. very little change has been needed with my maf tables because the car is hitting commanded a/f within 2-3% or closer to redline. the car also hits this range with a bov within less than a .5sec.

VTA BOV FTW - recirc. FTL
Old 12-30-2008, 04:59 PM
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Dejon has been in the DSM world for quite awhile... their products seem top notch... and I know someone who will be getting their intake and charge piping here shortly!

Don't downgrade someone just because they don't have their name plastered on everything!
Old 12-30-2008, 05:06 PM
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Originally Posted by boostking
the lost air is being taken into account via the wideband. the computer is very quick at adjusting fuel for whatever is commanded. I have no concerns with this setup nor do I see any long term concerns. this is not your everyday maf car. with a maf,map,ita/map, and wideband the car is very good at hitting commanded a/f. you see this while tuning as well. very little change has been needed with my maf tables because the car is hitting commanded a/f within 2-3% or closer to redline. the car also hits this range with a bov within less than a .5sec.

VTA BOV FTW - recirc. FTL
From my understanding from well known tuners, in order to run a VTA BOV a blow-thru MAF is needed. I am just trying to pass this info along.

Originally Posted by 1badBlueberrySC
Don't downgrade someone just because they don't have their name plastered on everything!
QFT!!
Old 12-30-2008, 05:11 PM
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I'm a big fan of Dejon their piping looks hot, and top notch! I like the short ram intake, vs. the cold air, and for the price... it just can't be beat!


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