Here are is a graphs of PI vs Boost
p=1
i=0.005
d=0
p=10
i=0.005
d=0
p=1
i=0.000
d=0
PID Bump = 30
p=2.5
i=0
Max Boost = 155
PID Bump = 40
p=2.5
i=2
Max Boost = 155
PID Bump = 40
p=2.5
i=80
Max Boost = 155
PID Bump = 20
unknown