Leaderboard

Hi everyone I’m new to the forum I’ve been a long time lurker but only now have had to ask for some help. Recently came into purchasing a very nice 2002 GT-B Limited and I’ve owned a few wagons and B4’s in the past but never a revision D which I’m 💯 percent sure this is because the headlamps are different and the vin check on legacypic.com confirms it to be all correct. problem is the boost isn’t quite what I would consider correct… Ive installed a boost gauge and I get on WOT 14-15 psi primary then valley o death comes in at the usual changeover point but then I only get around 12psi to redline and it seems to taper off. the primary seems too high and the secondary seems too low almost like the levels needs to be switched around The usual suspects have been looked into. No vacuum leaks, MAF Sensor is newish as this was one of the things previous owner mentioned gave him grief in the past spark plugs are all iridium’s and done within the last month that brings me to the latest discovery this morning. I know the boost restrictor pills on these cars play a very important role and the plumbing of the vaccum lines for this car is different than my last rev A wagon and found a diagram on here which has helped me identify a few of the pills My car has three pills from what I can see one in the smaller line coming off the blue T shaped connector between the blow off valve and manifold It has a small pill in the black box of death on line 2 (this was missing from a previous car so I know to check this one first) and one more in the bottom vaccum line between the turbo inlet and white T piece and line 23 All diagrams I can find show me there is supposed to be four pills and the one I am missing looks like the hose closest to the manifold but this diagram looks more like a revision A B or C cause the rev D has a big metal pipe to connect the hose to the blue t and bov im really confused cause if the diagram is correct then I’m missing a 2.0mm pill but if not then I’m at a loss to what could be creating erratic boost behaviour. Does anyone have the ability to just take some pics of their rev D vaccum hoses and point out which pills go where? Everything I look up just has older models like Bg and rev a b or c sorry about the long winded post I would really appreciate the help as I don’t wanna push this thing too hard it’s a great car cheers!