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Ricky352

Member

Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

16th Aug 07 at 12:04

Has anybody ever done this as I have recently purchased a tdi and am wondering what u could do to improve the sound. Would it be the same sorta sound as a petrol? Also whats peoples opinions on diesel dump valves?

Cheers

Ricky352

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Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

17th Aug 07 at 12:17

Its bound to have been done before?

Hammer

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Registered: 11th Feb 04
User status: Offline

17th Aug 07 at 12:25

I think modifying the air intake and exhaust system makes them louder if anything. Depends if you think noisy is good?

From what i've read as well a dump valve on a diesel isn't actually a proper dump valve per se, it's only there to imitate the noise of a petrol one and as such is pretty much useless.

Ricky352

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Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

17th Aug 07 at 12:28

Ah rite thats interesting bout the dump valve.

Well i dont mind it being too noisy, its just will it still sound like a diesel or will it sound

Ste L

Member

Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline

17th Aug 07 at 12:28

quote:
Originally posted by Hammer
From what i've read as well a dump valve on a diesel isn't actually a proper dump valve per se, it's only there to imitate the noise of a petrol one and as such is pretty much useless.

correct... uses a micro switch to operate them too

Hammer

Member

Registered: 11th Feb 04
User status: Offline

17th Aug 07 at 12:37

quote:
Originally posted by Ricky352
Ah rite thats interesting bout the dump valve.

Well i dont mind it being too noisy, its just will it still sound like a diesel or will it sound

It's always going to sound like a bag of spanners on a cold winters morning tbh but there are modded ones that don't sound too bad.

I think my bosses A6 sounds fine cruising along the motorway but idling at the lights it's not the best.

Ricky352

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Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

17th Aug 07 at 12:41

yeah thought as much. ill maybe go home and disconect the airbox and see wot its sounds like, just for a tester

Superlite Ltd.

Member

Registered: 9th Jan 07
User status: Offline

17th Aug 07 at 12:42

Diesel dont have a throttle plate so how can a dump valve work?

No point

Kyle T

Premium Member

Registered: 11th Sep 04
Location: Selby, North Yorkshire
User status: Offline

17th Aug 07 at 14:21

Modifying air intakes on tdi's that i've seen tend to make them sound like darth vader

Can sound quite good if done properly, but I'm happy to leave mine as it is

Lotus Elise 111R

Impreza WRX STi

Ricky352

Member

Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

17th Aug 07 at 14:59

Thing is mine is quite loud, being a 1996, and is starting to get on my nerves a bit lol

Nick-S

Member

Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline

17th Aug 07 at 15:24

my derv has a pvd fillter and turbo bak ss exhaust system from blue flame and for a oil burner sounds gud

[Edited on 17-08-2007 by GSi_16v]

Ricky352

Member

Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

17th Aug 07 at 15:26

cheers, seems like ur one of the few

Nick-S

Member

Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline

17th Aug 07 at 15:30

kinda sound like a muted rs turbo, it has a very turbo ish warbel underload
i love it, best sounding derv ive ever herd any way
dervs are ace

JinThaMC

Member

Registered: 5th Aug 07
Location: P1 is 4db louder
User status: Offline

17th Aug 07 at 17:34

Just fully soundproof the engine

intake and exhaust won't make a difference.

I had a 306 hdi with scorpion backbox and green cotton filter and it sounded shit still, went well though

[Edited on 17-08-2007 by JinThaMC]

Nick-S

Member

Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline

17th Aug 07 at 17:36

quote:
Originally posted by JinThaMC

intake and exhaust won't make a difference.

[Edited on 17-08-2007 by JinThaMC]

i disagree, i like the sound of mine

Ricky352

Member

Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

20th Aug 07 at 08:23

How would i go about sound proffing it? Much money?

johnhara1

Member

Registered: 19th Oct 06
Location: Newcastle upon Tyne
User status: Offline

20th Aug 07 at 08:26

My 2.2DTi has a K&N panel filter and the airbox has had the 3.5" pipe mod done.

I quite like the sound of it.

Ricky352

Member

Registered: 6th Apr 07
Location: Lisburn, N.I.
User status: Offline

20th Aug 07 at 08:27

sounds good

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