your welcome mate whoops i meant shouldNT mmm, try cleaning your connections, make sure all are clean. i dont see how it could be a boost leak if its reaching 9 psi then losing some and going to 6, so thats out of the question. some members have stated some things they could be, they would know more then me also have a little look through the tech section, it may be able to uncover the problem you are having type in boost drop, there a re a few things there, not sure if it will be what your after though http://tech.aus300zx.com/
