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Dump valves
#1661031
07/10/2022 10:28
07/10/2022 10:28
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mooney
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mooney
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Hey guys, so sound is a big big part of the experience for me and most of you i imagine, what bovs do peeople run? Ive tried the baileys "style" dv26 from prosport/rspec/rudiemods on ebay, good sound but find they tend to leak simply because of the vacuum nipple being a seperate screw in piece, running a collins twin piston now which sounds ballsy as f***, either sounding like a whip cracking or pane of glass breaking, switching to the forge twin piston fmdv004 over the weekend among other jobs to do, anybody run this one? If so, how good does it sound if you've heard the other two valves before or even if you havn't heard the other two?
Last edited by mooney; 07/10/2022 15:01.
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Re: Bovs
[Re: ]
#1661043
07/10/2022 14:47
07/10/2022 14:47
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Joined: Mar 2008
Posts: 5,094 highlands
jimboy
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Club Member 857
Forum is my life
Joined: Mar 2008
Posts: 5,094
highlands
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I thought for one minute I tuned into a seventeen year old youths car forum….
Last edited by jimboy; 07/10/2022 14:48.
I'm an old git & happy with it,most of the time
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Re: dump valves
[Re: ]
#1661044
07/10/2022 14:51
07/10/2022 14:51
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mooney
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mooney
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It worked. Title changed.
Last edited by mooney; 07/10/2022 15:02.
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Re: dump valves
[Re: jimboy]
#1661045
07/10/2022 14:53
07/10/2022 14:53
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mooney
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mooney
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Lol yea im not far off twice that pal. I like the sound of a nice crisp sharp agressive valve thats generally associated with the rb and jz engines running the tial bovs which are exactly as i decribed. When running alot of boost it makes it sound so much more kick arse.
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Re: Dump valves
[Re: Trappy]
#1661050
07/10/2022 15:31
07/10/2022 15:31
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mooney
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mooney
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Okay sounds good. Thats an interesting choice of BOV for sure, iirc it works in similar if not same fashion to the hks ssqvs...? If so, can never leak under boost. Tho the sound is something to be desired for these synchronic and hks valves imo. Paid 210 for my last genuine ssqv 4 valve. Big ol waste of time. Having to get a seperate 25mm mounting adaptor flange that doesnt even seal properly once the snap ring is installed to the point that your not supposed to be able to spin it once its seated properly. Still leaks. Forge was 112 quid. Be here tomorrow
Last edited by mooney; 07/10/2022 15:35.
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Re: Dump valves
[Re: ]
#1661053
07/10/2022 15:52
07/10/2022 15:52
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Joined: Feb 2006
Posts: 5,390 Essex
Trappy
Forum is my life
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Forum is my life
Joined: Feb 2006
Posts: 5,390
Essex
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I did a lot of research when choosing it and none of my key requirements were the sound it made I wanted it to not leak boost, be reliable, have facility to recirculate, and be FAST. It did (and, I believe, still does) all of these better than anything out there on the market. I seem to recall a video with one of the Synapse units set up on a rig in series with an HKS SSQ, and it dumped so fast that the HKS didn't even move. Possibly marketing nonsense as I can't find it now to confirm otherwise but it was certainly impressive stuff. I had the Bailey DV26 originally and, later, the Forge DV006 and both were awful things in comparison. Constant maintence, rubber components that needed replacing etc.
F****** b****** thing...
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Re: Dump valves
[Re: ]
#1661054
07/10/2022 16:03
07/10/2022 16:03
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mooney
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mooney
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For me it has to be about sound. No point driving a quiet boring car. The forge is supposed to be the best twin piston when it comes to holding boost so its a no brainer for me aslong as it sounds the bollaxe. The dv26 defo did leak i noticed it from the vacuum reading i was getting at idle. Changed to the collins and the vacuum was reading higher. Aa good as the synchronic is at holding boost i couldnt get on with its size and sound. I may of seen that comparison video also during the time i just purchased the hks. This fmdv004 valve is super simple and reliable no diaphrams no rubber crap to break, just two pistons and springs.
Last edited by mooney; 07/10/2022 16:05.
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Re: Dump valves
[Re: ]
#1661060
07/10/2022 17:46
07/10/2022 17:46
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mooney
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mooney
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Ohhh cool man. My exhaust is a 3.5 inch custom turbo back to what looks like a scorpion or toyosports backbox. But its not overbearing. Sounds great. Eith the conventional twin pistons i find the best of both in terms of sound is there. Part throttle dumps is mostly flutter and full boost is tiny flutter then the valve dumps ceazy loud. The forge valve just arrived now yey. Ive got some work to do over the weekend on it should the weather clear up.
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Re: Dump valves
[Re: ]
#1661078
08/10/2022 21:26
08/10/2022 21:26
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mooney
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mooney
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There's a difference between tuner and chavvy ricer and im not some chavvy teenager, I associate BOVs with high bhp jz and rb engines.
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Re: Dump valves
[Re: ]
#1661079
08/10/2022 21:27
08/10/2022 21:27
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mooney
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mooney
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Nothing chavvy about a forge motorsport valve
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Re: Dump valves
[Re: ]
#1661080
08/10/2022 21:28
08/10/2022 21:28
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mooney
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mooney
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Re: Dump valves
[Re: ]
#1661082
08/10/2022 22:27
08/10/2022 22:27
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mooney
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mooney
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Yes mapped pops n bangs are chavvy When it happens naturally its great.
Last edited by Edinburgh; 09/10/2022 07:55. Reason: text edited due to offensive language.
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