Well now that I have decided to run 15 psi, I can't get it to boost past 10 or 12. Running the old cartech wastegate on a very pitted rough exhaust manifold surface i could not get more than 8 psi. a hose got too hot and popped off giving me 12 psi with no connection to the turbo(scary, but lame). So new toys were in order. I bought and installed the Tial 38mm wastegate, I got about 10 psi, with very little diference with changes to the old Boost Controller. I decided to buy a DNA manual boost controler(cheap and well recommended). Upon installing it as the tial setup recommends(BC betweent two inlets on the wastegate) I got 15 solid on the first run, with steady decline after that to about 12. I heard lots more noise up front and the wastegate gasket had blown. Ok, so the tubine isn't getting enough exhaust to spool up big. After extensive search for new gasket, I cut up an old exhaust gasket to make new one for WG. Works great, much quieter, but still won't spool up past about 11, peaking at 13 in 4th gear(is this cause IC works better at 120 mph?). The max boost occurs with the BC turned all the way in(closed?) openning it up just lowered the boost down to abourt 6 psi at 9 turns out. This was wastegate set up as TIAL directs with the BC between the base inlet and the top inlet. I went with the recommendation of the BC and just went from the turbo hi side, to the bc to the WG base inlet. This gives TIal spring pressure (8psi) with it closed, back to about 11 with it open 1/4 turn and progessively less as i open it further. I lifted the car and looked over the whole boost side for leaks finding none. I'm not getting what I expected at all here. Is this boost controller bad?, or am I just missing the whole concept. Any suggestions?