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one for the 406 derv owners

Posted: Fri Apr 02, 2010 1:55 pm
by jord294
:supafrisk: has anyone fitted a dump valve to either 1.9 or 2.1 td ?????? :supafrisk:

(beats hasty retreat) :oops:

Re: one for the 406 derv owners

Posted: Fri Apr 02, 2010 5:54 pm
by FlySpeck
hi mate,

i've seen other td's with dump valves on, they are ok to begin with but are generally useless and the noise gets annoying after a while, easily doable though. my a4 20v turbo has a cone filter which lets the factory dv be heard very clearly so a lot of audi lads have gone back to a panel filter for this reason.

On some engines an engine management light will also result, and a slight overfuelling on lift-off due to metered air escaping from the dv.

Re: one for the 406 derv owners

Posted: Fri Apr 02, 2010 6:24 pm
by Gary406
havnt personally but im sure i have read it can be done, altho i wouldnt see any point myself :lol: :lol: :lol:

Re: one for the 406 derv owners

Posted: Fri Apr 02, 2010 9:53 pm
by mandelbug
Dervs are funny with dump valves. I believe that there is a specific one you need but generally it's not worth bothering with