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Supercharger vs Turbocharger vs NA? Hondata vs Megasquirt? 94oct vs 87oct? Through technical discussion, let's find out what will the best option for you...
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03-29-2009, 01:03 PM
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#51 | | I STILL don't get it
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Any link to where you got it from? I'll be needing one soon.
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03-29-2009, 09:58 PM
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#52 | | OMGWTFBBQ is a common word I say everyday
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Originally Posted by repsolrc  Blowoff valves are used to prevent compressor surge. Compressor surge is a phenomenon that occurs when lifting off the throttle of a turbocharged car (with a non-existent or faulty bypass valve). When the throttle plate on a turbocharged engine running boost closes, high pressure in the intake system has nowhere to go. It is forced to travel back to the turbocharger in the form of a pressure wave. This results in the wheel rapidly decreasing speed and stalling. The driver will notice a fluttering air sound. Wikipedia.
Making for slower rpm drop and slower acceleration, because the turbo has to start from a stall. The guys who have the BOV sound on a NA car, probably have a kit I have seen on the internet. It's a speaker with a controller hooked to the clutch and every time you shift it makes the pssssshhhht sound. I lmao when I saw it. | lol @ phenomenon
not laughing at you, just who ever wrote the article on wiki.
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05-23-2009, 09:59 PM
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#53 | | Wunder? Wonder?? Wander???
Join Date: Mar 2006 Location: Coquitlam
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If you are running more than 5PSI and actually wants a BOV that works properly and doesn't leak like an SOB, then you want Tial. Synapse is a piss poor company that tries to use highly misleading advertising to sell their product.
If you are just in it for the ricer effect, get which ever one sounds the best to you.
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05-26-2009, 08:12 PM
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#54 | | I am Hook'd on RS
Join Date: Oct 2006 Location: Sechelt, B.C.
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Quote:
Originally Posted by repsolrc
Blowoff valves are used to prevent compressor surge. Compressor surge is a phenomenon that occurs when lifting off the throttle of a turbocharged car (with a non-existent or faulty bypass valve). When the throttle plate on a turbocharged engine running boost closes, high pressure in the intake system has nowhere to go. It is forced to travel back to the turbocharger in the form of a pressure wave. This results in the wheel rapidly decreasing speed and stalling. The driver will notice a fluttering air sound. Wikipedia.
Making for slower rpm drop and slower acceleration, because the turbo has to start from a stall. The guys who have the BOV sound on a NA car, probably have a kit I have seen on the internet. It's a speaker with a controller hooked to the clutch and every time you shift it makes the pssssshhhht sound. I lmao when I saw it.
lol @ phenomenon
not laughing at you, just who ever wrote the article on wiki.
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lol Yeah I know, I just cut and paste it. Than I read it and LMAO.
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05-30-2009, 10:22 AM
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#55 | | I contribute to threads in the offtopic forum
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Blitz sounds pretty good.. but the ssqv is growing on me.. haha oh NO.. the ricer is coming out hahaha
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06-14-2009, 09:23 AM
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#56 | | Ready to be Man handled by RS!
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tial or fail
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06-15-2009, 12:53 AM
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#57 | | RS.net, helping ugly ppl have sex since 2001
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If you hate the chirp on the SSQV, you can just get rid of the "fins" that it comes with and the sound pretty much goes away. Those fins are just plastic.
__________________ All hail 2.3 turbo
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06-15-2009, 05:43 PM
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#58 | | WOAH! i think Vtec just kicked in!
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I had several friends with Blitz BOV's nearly 10 years ago. We found that if you unscrew the horn part of the BOV and remove the fine metal mesh, the BOV sound is much louder and pressure release quicker. Not sure what the function of the metal mesh was, but nobody's engine went nuts or anything.
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06-15-2009, 11:39 PM
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#59 | | HELP ME PLS!!!
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Originally Posted by Levitron If you hate the chirp on the SSQV, you can just get rid of the "fins" that it comes with and the sound pretty much goes away. Those fins are just plastic. | I actually have another insert fin for my SSQV, it just makes the "PSSSHHHHHH" sound.  | |
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06-16-2009, 04:29 PM
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#60 | | Douchebag Lover
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TurboXS RFL's are another option, just be sure to locktite the lower screws. They're a relatively "conservative" sounding BOV, but they're REALLY loud.
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06-18-2009, 11:51 PM
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#61 | | RS.net, helping ugly ppl have sex since 2001
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Originally Posted by 124Y I actually have another insert fin for my SSQV, it just makes the "PSSSHHHHHH" sound. | What's the difference in the fins? Did you try both?
__________________ All hail 2.3 turbo
RIP: long live 1.6
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06-19-2009, 10:53 PM
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#62 | | Say NO to blade grinders!
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Originally Posted by Levitron What's the difference in the fins? Did you try both? | The gold is just like the stock fin. The purple makes a much lower wooossh sound. It sounds really weird and very quiet (on my mr2).
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06-25-2009, 08:49 PM
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#63 | | RS controls my life!
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Originally Posted by HachiSix The gold is just like the stock fin. The purple makes a much lower wooossh sound. It sounds really weird and very quiet (on my mr2). | They sound different on different cars, and also depending on where it is mounted. I had the SSQV with the stock fin on my MKIV Supra and it was way too short and high pitched. It got really annoying, sounded like a bird chirping. With the purple fin it sounds very good now... and it's quite loud!
Here's a site with some sound clips http://www.935motorsports.com/bovmedia08.htm
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07-14-2009, 10:01 PM
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#64 | | RS.net, helping ugly ppl have sex since 2001
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Ahh....mine came just with the silver one. Looks like you have to pay extra for a "kit" of the purple and gold fins, of which the purple is supposed to emit a "lower frequency" sound compared to the other two.
__________________ All hail 2.3 turbo
RIP: long live 1.6
-Former S.O.M.O. Vive la resistance!
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07-18-2009, 02:18 PM
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#65 | | My homepage has been set to RS
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gotta love the greddy type S
that piercing sound is sweet haha http://www.youtube.com/watch?v=IPOEjAnQIlI
could get annoying though
I have a type RS its alright
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07-22-2009, 11:22 PM
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#66 | | It's like going crazy when you're already nuts
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Take the insert out for the SSQV!
[youtube]rFPDdQ8c5DI[/youtube]
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07-22-2009, 11:58 PM
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#67 | | What hasn't Killed me, has made me more tolerant of RS!
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took the fin out of my ssqv and it sounded really gay. sounds like a puuuufffff rather than a loud gush of air that you get with other bovs, so i put the fin back in. what i like about the hks is that i can control the freq&volume of the sound. if i want a gush of air at low boost or super high pitch loud chidori at high boost and everything in between.
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08-06-2009, 07:24 PM
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#68 | | Proud to be called a RS Regular!
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My favourite for a while was the apexi twin chamber bov. http://www.youtube.com/watch?v=RmUHioqgI6E
I went to get one for my rx7 and they're discontinued. So I got there newest bov the apexi spec ii. Hopefully it's good and sounds similar to the twin chamber.
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08-08-2009, 12:18 PM
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#69 | | Need my Daily Fix of RS
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50 mm tial ftw.
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08-11-2009, 11:57 PM
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#70 | | I Will not Admit my Addiction to RS
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I taped 4 soccer whistles to the outlet of my 1g BOV and it makes a sweeeeet squeal/whistle sound. Everyone can hear it a mile away. it's soo totally awesome.
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08-12-2009, 10:14 AM
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#71 | | No Duplicate Accounts Allowed
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Originally Posted by MWR34 | Can't even fucking hear that one, hell you talking about?
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09-04-2009, 03:27 AM
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#72 | | RS.net, helping ugly ppl have sex since 2001
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09-15-2009, 06:59 PM
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#73 | | Support Team Mod
Join Date: Apr 2001 Location: PoCo
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Originally Posted by repsolrc Blowoff valves are used to prevent compressor surge. Compressor surge is a phenomenon that occurs when lifting off the throttle of a turbocharged car (with a non-existent or faulty bypass valve). When the throttle plate on a turbocharged engine running boost closes, high pressure in the intake system has nowhere to go. It is forced to travel back to the turbocharger in the form of a pressure wave. This results in the wheel rapidly decreasing speed and stalling. The driver will notice a fluttering air sound. Wikipedia.
Making for slower rpm drop and slower acceleration, because the turbo has to start from a stall. The guys who have the BOV sound on a NA car, probably have a kit I have seen on the internet. It's a speaker with a controller hooked to the clutch and every time you shift it makes the pssssshhhht sound. I lmao when I saw it. | That is why I run a proper by-pass on a reciprocating system, more power, better response easier to tune the ECU.
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10-12-2009, 07:09 PM
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#74 | | NEWBIE ACCOUNT!
Join Date: Mar 2009 Location: Vancouver BC, C
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Originally Posted by 1990TSI stock 1G DSM for best value. Greddy Type-R(rs) for all around good value and performance. SSQ for puresex sounds. | I am running a modded stock 1g bov ...Nothing exiting for sound but its tested to 45 psi ....and still opens in a flash.
And the price is cheap, cheap, cheap.
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11-17-2009, 09:47 AM
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#75 | | NEWBIE ACCOUNT!
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Dont get a BOV for just sound..BOV is for adding power.. personally synchronic is my favourite because it is the has the best response to manifold pressure and comes to use right when you hit that throttle where other conventional BOVs take a second or two to respond!!
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