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| Skyline Dump Valve; Fitted but sounds a bit funny | |
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| Tweet Topic Started: Oct 22 2008, 02:28 PM (244 Views) | |
| Spence | Oct 22 2008, 02:28 PM Post #1 |
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Doesn't have a home to go to!
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I have just fitted my dump valve, but it sounds quiet and a bit tinny! Is this normal or is there something wrong with the valve?? Please help!! |
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| jimbobs22 | Oct 22 2008, 04:30 PM Post #2 |
Here to stay
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mine was and just fluttered, raise the boost to .8 or .9 then it will sound right, and be alot quicker too lol |
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| Tiny Tim | Oct 22 2008, 05:06 PM Post #3 |
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Unregistered
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Could be the spring strength. If its too hard for the level of boost you're running it will sound a bit... well, shite. |
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| Ian | Oct 22 2008, 05:50 PM Post #4 |
Part of team impreza
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what dv have you fitted |
| im not lazy im just chilled | |
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| Spence | Oct 22 2008, 06:03 PM Post #5 |
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Doesn't have a home to go to!
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hks! |
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| Ian | Oct 22 2008, 06:06 PM Post #6 |
Part of team impreza
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should be quiet loud they normaly are is it a brand new one or second hand? |
| im not lazy im just chilled | |
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| Spence | Oct 22 2008, 06:08 PM Post #7 |
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I was told by messing about with the screw at the back then it could up the boost then detonate the turbo? Are you saying i should losen the spring off or tighten it up? How do you know to much or to little? |
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| Spence | Oct 22 2008, 06:10 PM Post #8 |
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second hand! it is loud ish just really different noise! |
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| Ian | Oct 22 2008, 06:15 PM Post #9 |
Part of team impreza
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sounds normal youtube hks dump valve loads of them on there to listen to |
| im not lazy im just chilled | |
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| Spence | Oct 22 2008, 06:32 PM Post #10 |
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Yep had a listen on there and fitted to skylines! They do sound the same as mine but sound a little weedy! sounds like my old Octavia VRS! That had a Baily's and it sounds just like that! I thought with a skyline it would sound a little more hardcore. Do you think it will need setting up properly? |
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| Tiny Tim | Oct 22 2008, 07:11 PM Post #11 |
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I was referring to the spring inside that pushes the piston/diaphram... no idea what the screw is you're referring to, but I cant see how adjusting anything on a D/V would alter the boost levels for the engine... |
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| Spence | Oct 22 2008, 07:17 PM Post #12 |
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Sorry, it is more like a bolt that adjusts the spring strength! |
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| Tiny Tim | Oct 22 2008, 07:19 PM Post #13 |
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Oh in that case, fire away... I know some D/V's are adjustable. Winding that in/out shouldnt affect anything other than the spring compression... try winding it out slightly and go for a spin. Report back
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| Spence | Oct 22 2008, 07:23 PM Post #14 |
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Too scared to do that! But it does feel a little weak as it doesn't release at low boost!!! |
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| Tiny Tim | Oct 22 2008, 07:26 PM Post #15 |
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Nothing like a good release Have you got a link to the D/V you bought? |
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| Spence | Oct 22 2008, 07:33 PM Post #16 |
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What do you mean sorry? |
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| Tiny Tim | Oct 22 2008, 07:35 PM Post #17 |
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link to a website where you bought it or a similar one? |
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| Spence | Oct 22 2008, 07:41 PM Post #18 |
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Bought off dna cars second hand! |
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| Tiny Tim | Oct 22 2008, 07:46 PM Post #19 |
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Ah right. Well, to be honest mate, if the bolt on the back os deffinately for adjusting the spring strength then you'll be fine adjusting it. All an atmospheric D/V is doing is releasing air, its not going to affect your engine. It MAY however cause the car to idle a bit rough if you make the spring too weak... if that happens, just turn it back the other way. |
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| Spence | Oct 22 2008, 07:57 PM Post #20 |
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Will have a go tomorrow! See how i get on and let you know how i get on thanks for the advise! you sure it won't blow the turbo?? |
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| Tiny Tim | Oct 22 2008, 08:01 PM Post #21 |
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It really shouldnt do mate! - If you've got a boost gauge, just keep an eye on it... if you're worried, do the bolt in small steps. |
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| Jay R33 | Oct 22 2008, 11:04 PM Post #22 |
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God
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hi mate im running 12 psi boost and mine sounds bloody loud and at std boost it was loud
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[GK-customfield]Private[customfield-GK]
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| Spence | Oct 23 2008, 07:42 AM Post #23 |
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Alright Mate! Driving to work this morning it was loud! Just a bit tinny!!! Car drives alright and my mate said he would take a look at it on Saturday. |
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| Jay R33 | Oct 23 2008, 09:40 PM Post #24 |
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God
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dose it have an insert ????
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[GK-customfield]Private[customfield-GK]
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| Spence | Oct 25 2008, 05:05 PM Post #25 |
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My mate has fitted another vacum pipe and a new bung for the re circulating pipe (i hade a WD40 cap in there). He hade a mess about with the bolt in the back so i think everything is working fine. It has stopped backfiring so it ust be curred. Also you have an fmic, does your air con still work??? |
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