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Blow-off Valve
http://www.4g61t.org/forum/viewtopic.php?f=6&t=19817		 Page 1 of 2
Author:  dsm_gvr_4 [ Mon Dec 25, 2006 5:42 pm ]
Post subject:  Blow-off Valve
I was wondering what kind of aftermarket blow-off valve I can put in my car?
Author:  CaptainTonus [ Mon Dec 25, 2006 6:00 pm ]
Post subject:  Re: Blow-off Valve
Quote:
I was wondering what kind of aftermarket blow-off valve I can put in my car?
Whatever kind you want. My personal favorite is the Greddy Type-S for street driving. I'd stay away from the eBay knock-offs too, they don't work for shit. If you vent the BOV to the atmosphere the car won't run very well, unless you have a GM MAFT set up blow-thru or a VPC or something.
Author:  dsm_gvr_4 [ Mon Dec 25, 2006 6:06 pm ]
Post subject: 
I was thinking about the Greddy too but I dont know what kind... thanks for being patient to me guys, I appriciate it...
Author:  Aaron_37 [ Mon Dec 25, 2006 6:10 pm ]
Post subject: 
How's the volume on them? I want something I can hear, and that'll be cool enough to sound dope when I'm revving round the neighbourhood and stuff.
Author:  CaptainTonus [ Mon Dec 25, 2006 6:28 pm ]
Post subject: 
Quote:
I was thinking about the Greddy too but I dont know what kind... thanks for being patient to me guys, I appriciate it...
The Greddy Type-S. They don't make them anymore, but you can find them used most of the time. Greddy came out with the Type-RS to replace the type-S, but I'm not really not a big fan of those, they shouldn't have messed with success.
Quote:
How's the volume on them? I want something I can hear, and that'll be cool enough to sound dope when I'm revving round the neighbourhood and stuff.
They sound awesome.
Author:  SpinMasta11 [ Mon Dec 25, 2006 7:22 pm ]
Post subject: 
From my experience, the greddy type S leak-o-matic is totally hit or miss and definitely not worth your time and money. Either crush a 1g and save for a Tial, or just buy a Tial now. If you have to have a recirculating valve, then just crush the 1g.
Author:  CaptainTonus [ Mon Dec 25, 2006 8:12 pm ]
Post subject: 
Quote:
From my experience, the greddy type S leak-o-matic is totally hit or miss and definitely not worth your time and money. Either crush a 1g and save for a Tial, or just buy a Tial now. If you have to have a recirculating valve, then just crush the 1g.
Interesting. I've always had a lot of success with my Type-S. It's hard to say how much better things would be with a TiAL, but I've never noticed mine having leaking issues. TiAL's are really great though also, just seems like they surge a lot during street driving.
Author:  MoWGLi [ Mon Dec 25, 2006 9:33 pm ]
Post subject: 
I love my TiAL and would run nothing else.
Author:  hemi-colt [ Mon Dec 25, 2006 10:08 pm ]
Post subject: 
I love my hks...
Author:  slowdsm [ Mon Dec 25, 2006 10:11 pm ]
Post subject: 
Either crush a 1g and save for a Tial, or just buy a Tial now. If you have to have a recirculating valve, then just crush the 1g.[/quote]


why even take the chance at crushing it?... they hold 25 psi stock..
Author:  SpinMasta11 [ Mon Dec 25, 2006 11:42 pm ]
Post subject: 
Quote:
why even take the chance at crushing it?... they hold 25 psi stock..
Some of them don't, that's why.
Quote:
Interesting. I've always had a lot of success with my Type-S. It's hard to say how much better things would be with a TiAL, but I've never noticed mine having leaking issues. TiAL's are really great though also, just seems like they surge a lot during street driving.
I've seen several instances where type S valves leak past 24psi or so, and I've also seen them hold over 30psi. Of the many DSMers that I know who run gt40 compressors, which is a very surge prone compressor even with the ported shroud, and Tial valves, none of them have surge problems because of the Tial. I think it has to do with spring pressure myself. I run the softest, 7psi.
Author:  CaptainTonus [ Mon Dec 25, 2006 11:57 pm ]
Post subject: 
Quote:
I've seen several instances where type S valves leak past 24psi or so, and I've also seen them hold over 30psi. Of the many DSMers that I know who run gt40 compressors, which is a very surge prone compressor even with the ported shroud, and Tial valves, none of them have surge problems because of the Tial. I think it has to do with spring pressure myself. I run the softest, 7psi.
Yeah true. I've been running a Type-S for years, but I recently picked up a TiAL for my setup. I'm pretty sure it has the stiffest spring in it right now, I was thinking about changing it out for the sofest one.
Author:  SpinMasta11 [ Tue Dec 26, 2006 12:50 am ]
Post subject: 
I was running a 11psi spring and it definitely liked to chatter a lot on part throttle small boost cruising, like if I ran some midrange RPM and saw 5-9psi of boost and shifted gears. Also, I've never heard a valve as loud as the Tial. That thing is so god for saking loud you can easily hear it from 1/4mi away, and on high boost........holy shit.
Author:  CaptainTonus [ Tue Dec 26, 2006 12:58 am ]
Post subject: 
Quote:
I was running a 11psi spring and it definitely liked to chatter a lot on part throttle small boost cruising, like if I ran some midrange RPM and saw 5-9psi of boost and shifted gears. Also, I've never heard a valve as loud as the Tial. That thing is so god for saking loud you can easily hear it from 1/4mi away, and on high boost........holy shit.
Yeah they sound mean as hell. Nothing like hearing one of those things blow off from 40+psi. :twisted:
Author:  demon2180 [ Tue Dec 26, 2006 10:48 am ]
Post subject: 
I love my Turbo XS BOV :)
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