Tim, the logs haven't changed and based on the tune comparison I don't believe this to be a tuning issue at the current time.
The waste gate does function properly. What is the best way to look for vacuum leaks? Does anyone have diagrams for all vacuum lines?
Hi all! Have an 09 turbo SS that is all stock except a GM stage 1 tune. Issue I am having is over boosting to a peak of 30 lbs of boost. Also, if I lay into the accelerator I get lag then car will go. I have reviewed my tune with the same tune from HP Tuners and see no differences via the HP...
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