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 Cheap noisy dump valve. (currently 5249 views) |
| skinner |
| Posted on: Thursday, January 17th, 2008, 6:04:13pm |
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Reply: 80 - 140 |
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| kawo |
| Posted on: Friday, January 18th, 2008, 5:51:21pm |
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Quoted from skinner, posted Thursday, January 17th, 2008, 6:04:13pm at here |
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I think you should be able to move the wastegate actuator rod by hand, although I've never done it myself.
See the pic of a turbo in the thread below, it is the rod that opens and closes the wastegate, you want to know if it is moving back and forward OK.
http://clubcappo.co.uk/board/Blah/Blah.cgi?b=Technical,m=1198288499
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The rod is not moving as I rev up and then release................?!I need to buy a new actuator? |
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Reply: 81 - 140 |
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| skinner |
| Posted on: Saturday, January 19th, 2008, 8:05:34pm |
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No you won't see it moving as you rev the engine, it moves when the boost pressure gets to 0.8-0.9 bar.
You are a bit out the way in the how to section, try posting in the technical section, more people will see it. |
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Reply: 82 - 140 |
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| Djdan210 |
| Posted on: Sunday, April 27th, 2008, 3:33:37am |
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Got a good pic here if anyone wants the location of the air bypass valve and the pipe that needs to be removed.
Used a old locking wheel nut to plug the hose. Also below is the link to a short video of the sound it gives off, louder than i thought it would be. You can sort of hear it at the beginning of the video.
>>>>>>>>>>>http://www.youtube.com/watch?v=K5JO1daUudY
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Last modified Sunday, April 27th, 2008, 3:38:25am by Djdan210 |
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Reply: 83 - 140 |
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| Andy |
| Posted on: Sunday, April 27th, 2008, 7:21:21am |
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What was wrong with my pic?  Although got to admit yours is probably clearer  |
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Reply: 84 - 140 |
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| grant4561 |
| Posted on: Monday, April 28th, 2008, 7:38:38am |
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| Yup, sounds exactly like mine. |
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Reply: 85 - 140 |
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| Andy |
| Posted on: Monday, April 28th, 2008, 11:37:09am |
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Think mines louder 
I have got a big open air filter though  |
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| fxdlidon |
| Posted on: Monday, April 28th, 2008, 4:05:03pm |
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Works on an AZ-1 too  - although, as it's about 12 inches behind my left ear it's probabley a good job I'm deaf on that side already! |
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Reply: 87 - 140 |
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| muggle3000 |
| Posted on: Tuesday, September 23rd, 2008, 6:42:41am |
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 Wow wow wow, the best mod to my cappo so far. Two gold stars to the person who came up with this idea.
I should have asked you guys at Kei Kars about dumb valves. I could've enjoyed it on the way home. (I'm a total convert, you don't get this sort of advice on the "other" site.)
Just one question. Where does the pipe you bung up connect to? Where would the normally circulated air go to? |
Last modified Tuesday, September 23rd, 2008, 8:05:05am by muggle3000 |
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Reply: 88 - 140 |
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| Chris S |
| Posted on: Tuesday, September 23rd, 2008, 8:54:57am |
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It joins to the aluminium turbo air inlet pipe (just above the intake for the turbo compressor).
That's why it's important to bung the pipe up properly, as otherwise you'll be drawing unfiltered air through the turbo & into your engine.
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Reply: 89 - 140 |
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| Andy |
| Posted on: Sunday, September 28th, 2008, 12:24:40pm |
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Quoted from muggle3000, posted Tuesday, September 23rd, 2008, 6:42:41am at here |
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I should have asked you guys at Kei Kars about dumb valves. I could've enjoyed it on the way home.
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It wouldn't have been the first time I would have done the mod to someone's car at a show |
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| muggle3000 |
| Posted on: Sunday, September 28th, 2008, 7:17:00pm |
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perhaps you shoud get another t-shirt printed.
"free dump valve modification engineer"
"Stop me & get one" |
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Reply: 91 - 140 |
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| Andy |
| Posted on: Sunday, September 28th, 2008, 7:19:29pm |
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I like your thinking  |
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| kayfour |
| Posted on: Friday, February 6th, 2009, 2:53:16pm |
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Ok! im going to perform this mod when i get home from work, after reading its pretty much just pulling out the dump valve tubing, from the socket, and then corking the tubing up with something?
What is everyone using to cork it up with?
would like sticky masking tape work? I am not sure if i have random bits of cork at home,
It might be a bit of a cop magnet but from what i can see this is totally legal for P platers.
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Reply: 93 - 140 |
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| muggle3000 |
| Posted on: Friday, February 6th, 2009, 7:38:04pm |
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I had a black plastic type wine cork from I think it was Kumala brand of wine.
the black blends in nice.
I have had mine "dumping" for a few months. No police problems yet.
I don't think I'd risk the tape. In case the adhesive dried out & fell off. Leaving the pipe open for crud to get in.
Treat yourself to a bottle tonight & fit in the morning.
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| fxdlidon |
| Posted on: Friday, February 6th, 2009, 7:47:59pm |
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| It's a good excuse to crack open a bottle just remember to save the cork! |
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Reply: 95 - 140 |
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| kayfour |
| Posted on: Saturday, February 7th, 2009, 11:15:28am |
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wow, i was bored back from work, so the family shared a bottle of wine and i used the cork to plug the pipe!
Its amazing, but for it to be i think really loud and noticeable you need quite a bit of boost happening, the soft pshhh sound when you dont step it it hard sounds kinda cute though. |
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Reply: 96 - 140 |
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| Andy |
| Posted on: Saturday, February 7th, 2009, 11:22:27am |
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| You shouldn't need that much boost as it should sound loud when just revving the engine. It is certainly noticeable when driving normally. A high flow or open air filter will certainly up the volume. |
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| kayfour |
| Posted on: Saturday, February 7th, 2009, 11:42:55am |
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| You know Andy, as you did, i really have this strange urge to take the capp for a spin now! That is one of the things i am planning to install next! |
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Reply: 98 - 140 |
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| TheBaldOne |
| Posted on: Friday, April 17th, 2009, 1:07:16pm |
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Not being really technically minded Ive seen dump valves on fleebay I wondered what they were, now I know.
Has anyone taken photos of the dump valve in its correct place, etc
Dont want to get one if I can't put it in myself.
Thanks |
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Reply: 99 - 140 |
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| Andy |
| Posted on: Friday, April 17th, 2009, 1:19:04pm |
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Depends which sort you get. Cappo specific ones will come with the correct mount so that it replaces the standard ABV. Here is the HKS SSQV fitted...
The alternative is a universal type that you would mount in the pipe from the intercooler to intake like Kei's...
Unless there is a particular dump valve you like the sound of I'd stick with the free method and spend the money saved on something else. |
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Reply: 100 - 140 |
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| steve |
| Posted on: Saturday, May 2nd, 2009, 9:26:57am |
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| Does the small vacuum pipe connect to the dump valve then?. |
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Reply: 101 - 140 |
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| Andy |
| Posted on: Saturday, May 2nd, 2009, 1:05:42pm |
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| Depends on whether the new dump valve works on positive or negative pressure. You would either use the original vacuum pipe or a positive feed from somewhere else. |
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Reply: 102 - 140 |
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| steve |
| Posted on: Saturday, May 2nd, 2009, 6:57:08pm |
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| So is that pipe negative pressure on the cappo?. |
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Reply: 103 - 140 |
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| Andy |
| Posted on: Saturday, May 2nd, 2009, 7:07:51pm |
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| Yes it is. |
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| steve |
| Posted on: Saturday, May 2nd, 2009, 7:15:26pm |
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| Cheers that saves me rooting about trying to follow the damn thing. |
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| mrtt4turbo |
| Posted on: Sunday, July 12th, 2009, 5:15:19pm |
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| Being a tight a*se Ive gone for this cheap dump valve Not been out in it yet but so far i like what i hear.. And I went for the latest plastic type wine cork.. |
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Reply: 106 - 140 |
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| Koos |
| Posted on: Sunday, August 9th, 2009, 2:49:43pm |
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Is it normal you'll smell some burned oil after applying this mod ?
And whats the best method to catch the oil comming from the bypass valve ? (mine does leakes some oil)
What about a piece of cloth and apply it with tie-wrap (or cable tie, zip tie, whatever you call it in the UK) ? |
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Reply: 107 - 140 |
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| Andy |
| Posted on: Sunday, August 9th, 2009, 6:40:06pm |
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A little oil mist coming out is normal but by the sounds of the amounts you are talking about there is a lot more. This means it is dripping onto the exhaust causing the burning smell.
A better way to overcome your problem would be to fit a oil catch can so that the oil is taken out of the system before it reaches the bypass valve.
This is where I have mine...
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| shishko |
| Posted on: Sunday, September 20th, 2009, 1:02:24pm |
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| My blow-off valve (K-TakeOff) is for attracting with "pshhh" sound. That is because other vehicles does not see me at all. Xenon lights was bought for same reason. My right front fender was crashed by Lexus, who does not see me at all > |
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Reply: 109 - 140 |
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| shishko |
| Posted on: Sunday, September 20th, 2009, 1:03:47pm |
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| also blow-off "tells" me have i broblem with tourbo or not |
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Reply: 110 - 140 |
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| slash |
| Posted on: Tuesday, February 16th, 2010, 6:16:10pm |
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| Have just done the free dump valve mod now... thank you forums for and awsome free mod |
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| x11 |
| Posted on: Wednesday, April 21st, 2010, 7:03:06pm |
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Just did it today, haven't laughed so much in ages!
Awsome!
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| EVL |
| Posted on: Sunday, May 30th, 2010, 9:04:14pm |
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Not been a member for long, but this forum's fantastic!!!!
Done the dump valve mod today and love the sound!
Amazing. I didn't think you could get anything this good for free!!!
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| ycming |
| Posted on: Monday, February 28th, 2011, 1:34:47pm |
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Am gonna do this tonight .
So there be no problem at all, that a few drips of oil coming out the dump valve?
Thanks
Ming |
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Reply: 114 - 140 |
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| Andy |
| Posted on: Monday, February 28th, 2011, 1:37:01pm |
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| You don't really want drips of oil but a mist is usual and to be expected really. |
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Reply: 115 - 140 |
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| ycming |
| Posted on: Thursday, March 3rd, 2011, 1:10:15pm |
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This is another silly question, but by doing this will it use more fuel ?
Ming |
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| djmichie |
| Posted on: Sunday, March 20th, 2011, 9:43:54pm |
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| well after having the car 2 days so far (and already attended a car meet in it) i did this mod and its AWESOME, not too over the top i also fixed the alignment of the headlights while under the bonnet. |
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| littledave |
| Posted on: Wednesday, August 31st, 2011, 10:07:27pm |
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you know I said I would'nt be modifying the car just yet ....... ooooops Ive started with this
Neighbours arnt to impressed at 10 pm
I LOVE IT !!!
Loving this site cheers . |
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Reply: 118 - 140 |
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| Andy |
| Posted on: Wednesday, August 31st, 2011, 10:10:19pm |
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If you only do one mod, it has to be this one
We'll look forward to hearing about the rest though |
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Cappuccino Owners Club › FAQ › How to... › Cheap noisy dump valve. (Moderators: )
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