Okay I've been working on installing a JoeP MBC. When taking out the necessary rubber lines they were so crappy that they cracked and everything, and ended up breaking the T-connection. And I couldn't get the other rubber hoses off this broken T-connection because they were glued on, so I had to replace those also. So I ended up replacing about 3 hoses (intake manifold to T, T to BPV, T to MBC to wastegate)... but the thing is, the silicone hoses I had seem kinda narrow compared to the original ones. They're from Hosetechniques so they should be reputable. They fit fine, had to stretch them over the openings. But maybe this is the culprit of my problems as they aren't large enough for the vacuum?
Anyways, it kept on getting stuck at 7 psi. So I slowly and gradually turned up the boost and one time it suddenly ran all the way to 15 PSI! Turned it back down and it's stuck at 7 psi again but now I hear some problems. The "sucking" sound of the turbo spooling at like 5-8 VACUUM, rather than 0 boost. I hear a little small whining also. When I try to start moving the car from a stop there's tremendous bog and it almost stalls. And when I stop it at idle it really wants to stall as if it was venting BOV (which is where I thought it might be the vacuum line being too small for the BPV connection?).
Anyways, it kept on getting stuck at 7 psi. So I slowly and gradually turned up the boost and one time it suddenly ran all the way to 15 PSI! Turned it back down and it's stuck at 7 psi again but now I hear some problems. The "sucking" sound of the turbo spooling at like 5-8 VACUUM, rather than 0 boost. I hear a little small whining also. When I try to start moving the car from a stop there's tremendous bog and it almost stalls. And when I stop it at idle it really wants to stall as if it was venting BOV (which is where I thought it might be the vacuum line being too small for the BPV connection?).
