Buy a real boost gauge.
rogermoz said:http://www.clubwrx.net/forums/high-altitude-tuning/88576-boost-high-elevation-question.html" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;
Post number 5 explains it pretty well.
paradox11235 said:I pulled a vent out of my parts car to cut a hole in for my gauge, want me to do up a second one for you?