[s-cars] What's the depth of your wastegate screw?

Mihnea Cotet mik at info.fundp.ac.be
Tue Apr 1 00:50:40 EST 2003


Jamu,

I think 6 turns is good for all their software versions, but I really dunno
if Herr Peter Link recommends that or if their vendors recommend that...
recently I heard of a SW version for RS2 turbo and manifold and 6 turns on
the WG screw on stock everything else, heck we might even call that the
"MTM WG trick"  :-)


Cheers!

Mihnea

At 17:49 31/03/2003 -0500, James Murray (LMC) wrote:
>Thanks Mihnea, I guess it also depends if you measure from the top of the
>screw or the impression for the allen key. I guess the best way to measure
>is using an allen key and measure the depth to the top of the WG cap. I
>thought it was 5 or 6 turns! thanks for the confirmation. Now it that 5 or
>6 turns for all (Stage 1, 2, 3 +) ?
>
>Cheers, /Jamu.
>
>-----Original Message-----
>From: Mihnea Cotet [mailto:mik at info.fundp.ac.be]
>Sent: Monday, March 31, 2003 5:41 PM
>To: James Murray (LMC); s-cars
>Subject: Re: [s-cars] What's the depth of your wastegate screw?
>
>
>Stock AAN/ABY WG screw depth is about 11 mm if memory serves, measured from
>the WG cap. MTM recommends indeed 5 or 6 turns if the stock spring is still
>used. On stock SW, WG depth isn't very relevant, but by the way, who's
>still running stock SW in an UrS car? :-)
>
>
>HTH,
>
>Mihnea
>
>
>At 12:49 31/03/2003 -0500, James Murray (LMC) wrote:
> >This message is in MIME format. Since your mail reader does not understand
> >this format, some or all of this message may not be legible.
> >--
> >[ Picked text/plain from multipart/alternative ]
> >I'm wondering about wastegate screw settings (screw depth), is there an
> >optimal setting? (or is this ECU S/W dependent). I remember a posting way
> >back that mentioned when upgrading to MTM S/W they recommended turning in
> >about 5 to 6 times (what depth would that be?).
> >
> >What's the original depth of the wastegate screw?
> >
> >What's the optimal depth for improved performance?
> >
> >Cheers, /Jamu.
> >
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