Originally Posted by R4N S S
I would suggest getting the fueling checked for det if you are gonna turn the boost up like that.
I assume this is on a cossie
yup, sierra 4wd..
My mate runs 20psi on similar setup and he's had it checked for knocking which was fine, i'll go get a check too
anyway any ideas? as the boost gauge is sitting offly low! wont drive it like this!