MTM Stage II in a 3B - turn down spring?

mike claire mike.claire at gmail.com
Mon Dec 17 12:24:00 PST 2007


My C4 S4 has an MTM 1+ chip.  (Supposedly) the original instructions said to
turn down the wastegate perch 6 turns.  I recently did that and the turbo
hits a little harder, a little faster (it de-emphasizes some of the on/off
effect of the boost map).  It might hold boost a little longer too.

My 200q20v now has an MTM Stage II (thanks Jim P.!)  Should I be doing
anything with the wastegate?




Mike


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