Have you rescaled your load tables? Do you think it's safe to have that high of a spike? Mine are similar. Measuring Peak boost with AEM truboost. about 24psi.

 

Bring your WGDC down a little before peak boost and it should get rid of the spike.

So.. if you are getting peak boost at say, 3600 rpm..

Try your WGDC like this:

500 100%
1000 100%
1500 100%
2000 100%
2250 100%
2500 98%
2750 96%
3000 96%
3500 96%
4000 98%
4500 100%
5000 100%
5500 100%
6000 100%
6500 100%
7000 100%

Or whatever percentage that gets rid of the spike but not too low that you don't get your target boost.

You can also rescale the RPM table to get more fine tuning of WGDC and BDEL around the peak boost/torque area.

The stock solenoid is not very fast or precise so sometimes you can't run 100% WGDC right up until full boost and not expect it to spike over the target.

 

Thanks, this helped alot!