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Dump valve or Blow off valve?

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Old 18 February 2010, 10:36 PM
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scoober steve
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Default Dump valve or Blow off valve?

Hey guy's can anyone offer some info on what type of dump/blow-off valve should be fitted to a 04' WRX. I have no idea which one is best. Thanks guy's.
Old 18 February 2010, 10:39 PM
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The Dogs B******s
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Originally Posted by scoober steve
Hey guy's can anyone offer some info on what type of dump/blow-off valve should be fitted to a 04' WRX. I have no idea which one is best. Thanks guy's.
Steve,dont listen to the gayers on here,they all drive there cars well below the speed limit,do what you want
Old 18 February 2010, 10:40 PM
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rookymatt
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Some people will say leave the original one on. i had a Vent to atmosphere one fitted, but took it off after the ammount of frowns i used to get from people! Each to their own. If you want a nice sounding one that won't bring on the engine check light, go for a forge unit or hks unit.
Old 18 February 2010, 10:42 PM
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scoober steve
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Cheers guy's, there's so many on the market im not sure what ones are good/****
Old 18 February 2010, 10:50 PM
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Bailey ones are notorious for causing running problems, if thats any help. Usually you can find a good 2nd hand forge one on the for sale section. You want one for the NEWAGE intercooler.
Old 18 February 2010, 11:11 PM
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after a while you don't even notice the sound yourself. spend your money on something else more fun, such as a track day, or at least a thicker rear anti roll bar. and as said above baileys ones are best avoided.
Old 19 February 2010, 08:03 AM
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iuchabar
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Hi mate - i got a turbosmart supersonic a while back, fitted it myself (easy) - it runs fine as long as i have it on the softest setting! If you like the sound (which i do - saddo maybe but hey life's too short) then i would recommend, expensive but quality bit of kit. Funnily enough i was at Scoobyworld on Wednesday and was talking about BOV's with them - they are of the opinion that if the performance was badly effected by fitting BOV's, they wouldn't sell them... Laterz, Chris.
Old 19 February 2010, 09:48 AM
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i have a forge vta .

it is a sore subject on here so be ready for some beef from certain members lol
Old 19 February 2010, 11:38 AM
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Can't be arsed to type much french internet playing up.

Just one question: if there was owt to be gained other than a daft noise, wouldn't Subaru/Prodrive etc fit them?

In the end, it's yr car, fit one and HAVE bore wash........see if we care
Old 19 February 2010, 05:50 PM
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The same question could be said about exhaust:
if there was owt to be gained other than a daft noise, wouldn't Subaru/Prodrive etc fit them?
Truth of the matter is subaru ,ford,and every other car manufacturer fit the parts that are for the average motorist,and are readily available & cheap .
You are correct in saying that a dv does not gain you any extra performance,but bore wash ,i am still waiting for someone to show me a post/thread where someone has had an engine build due to the fitting of a dv.
At the very worst i would expect a dv may lead to premature meltdown in the turbocharger area,but that is a long shot and i have no facts to back this up.

If you want a noise when you lift off the throttle buy one ,if you prefer to listen to the rumble of your exhaust or the chatter of your turbo,or the roar of your induction kit -- stick with your recirc valve.
Old 19 February 2010, 06:05 PM
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Originally Posted by iuchabar
Hi mate - i got a turbosmart supersonic a while back, fitted it myself (easy) - it runs fine as long as i have it on the softest setting! If you like the sound (which i do - saddo maybe but hey life's too short) then i would recommend, expensive but quality bit of kit. Funnily enough i was at Scoobyworld on Wednesday and was talking about BOV's with them - they are of the opinion that if the performance was badly effected by fitting BOV's, they wouldn't sell them... Laterz, Chris.
I have a turbosmart vee port dv fitted at the mo, and am impressed with it. As above, it needs to be on a soft setting, but is not too loud, so doesnt give anyone a heart attack. Managed to get a Forge DV as well, Ill be selling the one that is not fitted by the Sunday! Drop me a PM if you are interested.
Old 19 February 2010, 07:46 PM
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i just fitted a forge dv to 05 sti sounds great not to load just right hope this helps
Old 19 February 2010, 08:06 PM
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have a HKS vta fitted to mine, but it only goes off when at max boost, not sure if that's a good thing or not. Any opinions?
Old 19 February 2010, 08:59 PM
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Is that adjustable matt, if so the spring compression may need backing off? If not, perhaps the spring is too stiff?
Old 21 February 2010, 10:42 AM
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Originally Posted by midnight
The same question could be said about exhaust:


Truth of the matter is subaru ,ford,and every other car manufacturer fit the parts that are for the average motorist,and are readily available & cheap .
You are correct in saying that a dv does not gain you any extra performance,but bore wash ,i am still waiting for someone to show me a post/thread where someone has had an engine build due to the fitting of a dv.
At the very worst i would expect a dv may lead to premature meltdown in the turbocharger area,but that is a long shot and i have no facts to back this up.

If you want a noise when you lift off the throttle buy one ,if you prefer to listen to the rumble of your exhaust or the chatter of your turbo,or the roar of your induction kit -- stick with your recirc valve.
The exhaust? Errrrrr, no!.

In what way does a different exhaust radically alter the induction?
Old 21 February 2010, 12:14 PM
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ZippyBobby
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HKS SSQV all the way
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