chatter/flutter
#2
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By running no DV mate, but not really recommended by some people, plus only certain turbos can take the abuse from what i gather. Do a search you will find loads of threads with lots of differing opinions.
#5
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Try a turbosmart supersonic adjustable dump valve mate, you can turn it on and off as required then. Have just sold mine and gone back to a recirc.
You can pick them up on ebay for 50-80 quid
You can pick them up on ebay for 50-80 quid
#6
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Here you go same as this, but this ones a bit pricey:
http://cgi.ebay.co.uk/TURBOSMART-Vee...#ht_1518wt_879
http://cgi.ebay.co.uk/TURBOSMART-Vee...#ht_1518wt_879
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#8
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One thing i found when running no dv was if you're running a tmic it doesn't seem to be as prominent as an fmic. Also the higher boost you run the louder it's likely to be too. You'll also need an induction kit to hear it. Just my experience, others may find it different.
#12
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Im not sure either... I was just thinking that if you change the way the dump valve operates, this would change the turbo dynamics, and thus would need to be remapped each time?
I'm a novice at this so Im more than likely wrong!
I'm a novice at this so Im more than likely wrong!
#13
this is the sound im after obviasly i no it wont sound anything like this as there cars have £££££££££££££££ spent on the engines
http://www.youtube.com/watch?v=m5jZluytOOo
http://www.youtube.com/watch?v=m5jZluytOOo
#16
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this is the sound im after obviasly i no it wont sound anything like this as there cars have £££££££££££££££ spent on the engines
http://www.youtube.com/watch?v=m5jZluytOOo
http://www.youtube.com/watch?v=m5jZluytOOo
ALS and no DV. Can be done for about £1200. Not sure how long your engine and turbo would last though if you used it all the time.
#24
I run a twin scroll with a vf turbo and i have heard the vf series turbo on the twin scroll jdm does not respond well to the dump valve being removed and i also am trying to achieve this sound and purchased fmic and induction kit anybody know if you can remove the dv from jdm twin scroll vf series or not and the implications.
#26
The downside of a car that sounds like that is the need to rebuild the engine every 1000km.
#27
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There was a massive thread in the technical forum about removing the DV completely. Have a search in there. Was quite a while ago but it's a good read.
#28
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No matter what anybody says, running a turbo car without a dump valve puts additional load on the turbo and therefore will reduce turbo life to some extent. On some turbos such as most sleeve bearings this will not matter but on some of the roller bearing VF turbos this is not a good idea.
The advantages of running no dump valve if the dump valve is working properly in the first place are questionable unless you regard the sound difference as an advantage.
The OE Subaru dump valves usually work remarkably well by the way so spending large amounts of money on an aftermarket dump valve is often a case of shooting yourself in the foot, particularly if performance is your key aim.
The advantages of running no dump valve if the dump valve is working properly in the first place are questionable unless you regard the sound difference as an advantage.
The OE Subaru dump valves usually work remarkably well by the way so spending large amounts of money on an aftermarket dump valve is often a case of shooting yourself in the foot, particularly if performance is your key aim.
#30
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I have no direct VF43 experience but think it is probably a very capable turbo.
Yes I think it can run satisfactorily without a DV as outlined above but like I say, for me the biggest incentive to run with no DV would be because of an underlying issue with the DV not performing its job satisfactorily and leaking..
Yes I think it can run satisfactorily without a DV as outlined above but like I say, for me the biggest incentive to run with no DV would be because of an underlying issue with the DV not performing its job satisfactorily and leaking..
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