So, today I added buschurs stage 3 to my friends car, for some reason I cannot get the boost to go above 12 psi, and the car keeps stalling. I have stage 2 in my car and I did everything identical, but something isnt right, any ideas.....

 

sounds like a vac line is loose or cut. i've had the same before. check all of your connections.
jeremy

 

It does sound like a vac problem. Check your lines run from the waste gate and the turbo side to the little tee and to the boost control solinoid. It could be the small pill is missing from the vac line coming from the turbo side. If missing it causes crazy things to happen in the boost solinoid. I have first hand experience with that on mine.