[s-cars] wastegate adjustment questions

[Dave Burig]

Rokas,

Did you make like a good scientist and go for a drive after changing one of
these two elements first, or did you make both, and then go for a drive.  I
ask this because I recently cranked down my WG five whole turns, and don't
know if I felt anything more than wishful thinking.  I do know that my O2
sensor has seen about 70K miles though, so I'm hoping that is the source of
your newfound joy!

DB

-----Original Message-----
From: s-car-list-admin at audifans.com [mailto:s-car-list-admin at audifans.com]On
Behalf Of Rokas Reipa
Sent: Thursday, October 23, 2003 3:05 PM
To: s-car-list at audifans.com
Subject: [s-cars] wastegate adjustment questions

Hey everyone. Wasn't happy with my car's performance lately; it seemed out
of tune and not as fast as it should be. Decided to try adjusting the
wastegate last night as well as replace the o2 sensor. Turned the screw 360
degrees clockwise and went out for a test drive. Wow. Car has been totally
transformed, from merely quick and sometimes lethargic to a proverbial
screamer. Turbo spools up MUCH sooner and quicker now. It is especially
ridiculous on the highway, where 1.5 inches of gas pedal travel produces a
tremendous rush of acceleration. In third gear, I saw a maximum of ~21lbs of
boost; I could only muster about 16 before. While I am enjoying this to the
utmost, the prospect of turbo or other component damage really worries me.
The car has a Stage 1 TAP chip in it and an adjustable wastegate, stock K24,
nothing else. Did I turn it too far? Should I turn the wastegate back a bit?
What is the optimal setting for these things? The change is amazing and
addicting but at the same time I keep worrying...Thanks,

Rokas
95.5 S6



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