I have a turbonetics delta gate and was told that I have to use the side port on waste gate and not the one on top (there are 2). I blocked off the one on the side cause it interfered with manifold and am using the top one. I was also told that a blue spring is for 5-7 psi but when I called jegs they said a blue spring is just 5 and the silver is just 7. Does anyone have any experience with these waste gates and springs?