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Dump valve removal chatter etc

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Old Nov 13, 2019 | 07:48 PM
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Default Dump valve removal chatter etc

Back in the day we used to remove blank dump valve, fit cone filter for the most awsome chatter noise

i remember ppl used to say kills turbos never harmed ours


so mine on greens with t34 With .48 housing
has a std airbox and aftermarket dump valve

set up by msd couple year back

can I still fit cone filter and do this?

not keen on dump valve noise to be honest
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Old Nov 13, 2019 | 08:12 PM
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I did exactly that on both of mine.
Someone said turbo would be fine on that sort of power
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Old Nov 14, 2019 | 08:13 AM
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Originally Posted by rsturbolee
Back in the day we used to remove blank dump valve, fit cone filter for the most awsome chatter noise

i remember ppl used to say kills turbos never harmed ours


so mine on greens with t34 With .48 housing
has a std airbox and aftermarket dump valve

set up by msd couple year back

can I still fit cone filter and do this?

not keen on dump valve noise to be honest
I have never had an aftermarket dump valve on my 2wd Saff, never had a problem and my ITG Cone filter is inside a Group A air box which keeps things cooler and prevents the possibility of any debris getting sucked into the turbo through the filter.

had this set-up for past 15 years and it works fine.
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Old Nov 14, 2019 | 09:15 AM
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Is the size of hose from a t34 to cone filter bigger ???


heres how it is at mo



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Old Nov 14, 2019 | 01:15 PM
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Why not just use the std airbox and drill big holes in the lower part of airbox behind the head light. I have done this in mine and got nice chatter noise and standard look
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Old Nov 14, 2019 | 01:21 PM
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How does it make it louder? In the same way how does a cone filter make it louder?
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Old Nov 14, 2019 | 04:05 PM
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Originally Posted by rsturbolee
How does it make it louder? In the same way how does a cone filter make it louder?
Before I got my Group A airbox the cone filter did make a quite loud "chatter" noise. Any Cone filter will be the same although it's nothing like the loud noise from a dump valve.Most people like the sound it makes with a cone filter or a drilled out flat airbox.
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Old Nov 14, 2019 | 04:07 PM
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Dump valves are horrid noises I’ll leave that to the Subaru’s
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Old Nov 14, 2019 | 04:10 PM
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Originally Posted by rsturbolee
How does it make it louder? In the same way how does a cone filter make it louder?
Forgot to say the size of the hose from your turbo to the cone filter will depend on the size and make of it. If you buy one just tell them what turbo you have and the company you buy it from will supply the correct size hose to the cone filter.
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Old Nov 14, 2019 | 04:16 PM
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Maybe I’ll drill the airbox then and blank the dump valve
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Old Nov 14, 2019 | 05:04 PM
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When I changed mine to stage 3 I put a standard airbox back on as old filter was knackered (and blanked dump valve) it felt like the car was choking and holding back.
So i put a group A cone filter on, car was much better and chatter seems pretty loud now.
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Old Nov 15, 2019 | 10:48 PM
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Been running mine with blanked off dump valve and group a filter for over 13 years now and old t3 is still holding up ok. Lovely chatter noise I wouldn't want to lose that.
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Old Nov 16, 2019 | 04:05 PM
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Originally Posted by gcfcos
Been running mine with blanked off dump valve and group a filter for over 13 years now and old t3 is still holding up ok. Lovely chatter noise I wouldn't want to lose that.
That is the only thing with my group A airbox it does make the sound of the turbo/cone filter much quieter.
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Old Nov 19, 2019 | 02:08 PM
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Cossies came with dump valves as standard..my saff has a dump valve. I get both chatter and the dump valve noise.
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Old Nov 19, 2019 | 03:32 PM
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how would I blank off these vacuum pipe from the T piece to the dump valve?



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