Originally Posted by Boosted4AG
DO NOT pull from the FPR ....
On the Turbo II the vaccum source to the FPR isnt that great although it is good enough for the FPR if you tap something into it you will start having fuel issues in the change over form primary to secondary injectors which could cause lean problems...
Pull off an intake manifold source , That is the most accurate and non-detremeintal place to pull vaccum from ...
ther has to be something wrong with the boost gauge we hooked it up to the back of the intake manifold and still wrong reading