Quote Originally Posted by GMC-2002-Dmax View Post
I have seen avg vane% of 74% to as low as 45% and meets target boost, but at WOT it still drops to 0% vane but does make boost.

I am not too concerned with the 0%, I am loading a new tune now for 35psi and we will see what that makes vs. vane %
The 0% is exactly what you want once it has made its goal boost. No reason to increase drive pressure for nothing after the fact. I look forward to hearing what you find.