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Forced Induction Turbochargers and Superchargers..Got Boost?

Vortech Blow-Off

Old Feb 11, 2008 | 10:04 AM
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Default Vortech Blow-Off

I have a vortech S/C and my blow-off is damaged, which aftermarket blow-offs would work with it without any problems?
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Old Feb 11, 2008 | 10:07 AM
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I've heard the Greddy Type RS will work, but you need to change something inside of it. I would probably just get another Vortech one though.
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Old Feb 11, 2008 | 10:14 AM
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i hate vortech blow-off sound i would like something else
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Old Feb 11, 2008 | 12:49 PM
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Originally Posted by Dreamsmith
i hate vortech blow-off sound i would like something else
your stuck with the sound . Vortech does not run a turbo blow off vlave . It runs and has to run a Bypass blow off vlave . Totally different valve and it needs to be open when not under boost [ not closed like a turbo BOV ]
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Old Feb 11, 2008 | 12:54 PM
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i heard that greddy type-s BOV works fine? is that true

i have a friend running HKS SSQV on a Vortech Z06 and its working fine as he says!

and if the BOV is not open at idle what will that affect?
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Old Feb 11, 2008 | 12:58 PM
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Originally Posted by Dreamsmith
i heard that greddy type-s BOV works fine?
and if the BOV is not open at idle what will that affect?
I can't quite remember if it is TypeS or TypeRS.

No open BPV=bye bye compressor?
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Old Feb 11, 2008 | 01:00 PM
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Originally Posted by Dreamsmith

and if the BOV is not open at idle what will that affect?
excessive blower wear
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Old Feb 11, 2008 | 01:54 PM
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Tial 50mm and Blitz blow off valves will work on SCed applications, since they will both vent at idle/partial throttle.
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Old Feb 11, 2008 | 02:45 PM
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tHE Greddy Type RS or S will work fine with a supercharger. You just need to remove the inner spring from the BOV. When you run the type RS or S with just a single spring, it opens up under all vacuum conditions.

This is how I run my Greddy Type RS BOVs on Greddy Twin setup. click on the pic for a slideshow of how to modify the Type RS.


Last edited by QuadCam; Feb 11, 2008 at 02:49 PM.
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Old Feb 11, 2008 | 02:50 PM
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Excessive Blower wear! LAWL

this thing is a noise maker put on there by vortech to appease the ricers.
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Old Feb 11, 2008 | 02:51 PM
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Originally Posted by narkotic
Excessive Blower wear! LAWL
this thing is a noise maker put on there by vortech to appease the ricers.



Quadcam, that's it? nice.
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Old Feb 11, 2008 | 03:07 PM
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Originally Posted by narkotic
Excessive Blower wear! LAWL

this thing is a noise maker put on there by vortech to appease the ricers.
might be true about how noisy it is - I wouldn't know, but it does serve a function with helping the blower wear less and reducing parasitic loss

you can always try recirculating it back into the blower so it's not venting to the atmosphere...

Last edited by sentry65; Feb 11, 2008 at 03:23 PM.
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Old Feb 11, 2008 | 03:14 PM
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Originally Posted by istan



Quadcam, that's it? nice.
that's it. I do adjust the set screw a little tighter though after this mod. It is just so the valve doesn't open too far. If it opens too far, it can cause some issues with the diaphram.
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Old Feb 11, 2008 | 03:24 PM
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Originally Posted by sentry65
might be true about how noisy it is - I wouldn't know, but it does serve a function with helping the blower wear less and reducing parasitic loss
lol

How is the bypass valve going to reduce parasitic loss ?

At idle and cruising speeds around town . The bov is open ...if it was closed all the time and the motor saw all the air and psi produced by the blower . The parasitic loss would be minimal ...very minimal and wouldnt be worth mentioning . Parasitic loss doesnt really come into play until boost is reached and more so when high boost levels are reached .


The only reason for having the bypass valve is to reduce blower wear . WHen you let off the gas and the throttle plate closes . The air and psi produced by the blower would back up into the blower and you would wear out the seals sooner .

The power to turn the blower with the bov closed at idle and cruise cant be more than 1 or 2 hp so why even make a statement like that ?
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Old Feb 11, 2008 | 03:30 PM
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Originally Posted by booger
lol
why lol?
you have this need to laugh at everything I say apparently, even when it's unfounded
Read the new FI rules please...
https://my350z.com/forum/forced-induction/309144-fi-forum-conduct-it-s-best-that-you-all-read-this-updated.html

Originally Posted by Wired 24/7
Classically, and even more-so lately, this forum has been full of hot-headed debates, name calling, bashing, and playing the victim.

Constantly, underhanded comments meant to rile up certain individuals are posted, and there have been far too many uncivilized comments posted on behalf of many members and sponsors. Not to mention there has been an epidemic of "calling out" certain individuals.




Originally Posted by booger
How is the bypass valve going to reduce parasitic loss ?

At idle and cruising speeds around town . The bov is open ...if it was closed all the time and the motor saw all the air and psi produced by the blower . The parasitic loss would be minimal ...very minimal and wouldnt be worth mentioning . Parasitic loss doesnt really come into play until boost is reached and more so when high boost levels are reached .


The only reason for having the bypass valve is to reduce blower wear . WHen you let off the gas and the throttle plate closes . The air and psi produced by the blower would back up into the blower and you would wear out the seals sooner .

The power to turn the blower with the bov closed at idle and cruise cant be more than 1 or 2 hp so why even make a statement like that ?
without a bypass valve the pressure builds up because with the TB is nearly closed. All the air wouldn't get sucked into the engine. It'd back up and build up pressure

As you always say and I agree with, more pressure building up, it makes it harder for the blower to turn and thus, there's more parasitic loss.
That pressure also wears on seals etc too just like you said


some parasitic loss is always present. It takes some amount of power just to turn the blower and larger belt even at idle with no psi built up - though not much

Last edited by sentry65; Feb 11, 2008 at 03:46 PM.
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Old Feb 11, 2008 | 03:51 PM
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<TABLE cellSpacing=0 cellPadding=6 width="100%" border=0><TBODY><TR><TD class=alt2 style="BORDER-RIGHT: 1px inset; BORDER-TOP: 1px inset; BORDER-LEFT: 1px inset; BORDER-BOTTOM: 1px inset">Originally Posted by Wired 24/7
Classically, and even more-so lately, this forum has been full of hot-headed debates, name calling, bashing, and playing the victim.

Constantly, underhanded comments meant to rile up certain individuals are posted, and there have been far too many uncivilized comments posted on behalf of many members and sponsors. Not to mention there has been an epidemic of "calling out" certain individuals.

</TD></TR></TBODY></TABLE>

you need to pay close attention to this one ^^^^^^^^.

If I seem to think something is funny and put LOL in my posts . Doesnt mean im out of line .
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Old Feb 11, 2008 | 03:54 PM
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you must have a quite a sense of humor or I must be hilarious then because you seem to open a lot of your responses to me with you laughing...


Originally Posted by Wired 24/7
As far as I'm concerned, using a negative smiley icon is no different than posting a negative comment about someone.

It's not like you're going to get banned just because you used a smiley.

What really counts is the apparent INTENT of a post. And it would be wise for everyone to pay attention to whether their post looks like it has a harmless intent, a sarcastic intent, or an inflammatory intent...

If someone makes a post and it looks inflammatory to me, it's not my fault for reading it that way -- it's the responsibility of the person making the comment to edit it in such a way that it does not look inflammatory.

Last edited by sentry65; Feb 11, 2008 at 04:11 PM.
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Old Feb 11, 2008 | 03:55 PM
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Booger and Sentry.
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Old Feb 11, 2008 | 03:56 PM
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some parasitic loss is always present. It takes some amount of power just to turn the blower and larger belt even at idle with no psi built up - though not much[/quote]




LIke I said also ...its very little .................so why even include it in your post ? It leads people to believe it has a role into why you should run a bypass valve . And it has NOTHING AT ALL to do with running a bypass valve . Parasitic loss has nothing to do with why you need to run a by[pass BOV with a supercharger !!!!!!

Last edited by booger; Feb 11, 2008 at 03:58 PM.
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Old Feb 11, 2008 | 03:58 PM
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Originally Posted by istan
Booger and Sentry.

Battle for Vortech Supremacy!
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