Quote Originally Posted by JULIAN911 View Post
I have 285/75/16 tires so my VX doesn't exactly jump off the line I've never seen the boost go over 3psi either and I know that it was installed correctly because Tone did it and it has the high boost pulley. You guys are getting 5psi right?
Yep...depending on atmospheric conditions (barometer, humidity, temp), I usually see between 4 1/2 - 5 psi boost @ WOT...:_drool:

Which vacuum hose it's tied into is important, I had it plumbed into the wrong one initially, & it wasn't registering the proper readings.