MasAyinde Posted August 5, 2011 Share Posted August 5, 2011 If I wanted to lower the boost on a tune by about 1.5 psi, what other parameters would need to be changed? I'm guessing I'd need to make changes to the WGDC, but I'm not sure. Link to comment Share on other sites More sharing options...
sjwelna Posted August 5, 2011 Share Posted August 5, 2011 Change target boost in the cells you want to lower. Initial WGDC may need to be lowered if you end up overboosting. -Steve Link to comment Share on other sites More sharing options...
NSFW Posted August 7, 2011 Share Posted August 7, 2011 Target boost Initial wastegate duty cycle Maximum wastegate duty cycle Log those, plus "turbo dynamics proportional" and "turbo dynamics integral" to see what's going on (in addition to the usual stuff like throttle, RPM, load, etc). If your IWGDC is too high or too low, the ECU will use the TD parameters to try to reach the correct WGDC. Link to comment Share on other sites More sharing options...
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