So I come to you once again with a problem. I'll just get right to it: I have noticed the past couple of weeks that my car isn't hitting the boost that it used to. I have always been able to easily kick it to 15 psi and max at 19-20. Now, I can crank it to 10 psi and after that I have to really bust it out in 3rd or 4th to get it to 16. I saw on my AP that I hit 17.2 or so, but I was taking it full throttle to 7000rpm every shift to 5th gear. In the past I have been able to easily get 19-20 even over boosting at 21. Also, when I say I used to easily get it to 15 psi, I mean that now with the same throttle down I'm only getting that 10 psi instead.
The only thing I have done different that I can think of, since it started, was put 93 OCT in her. I think thats when it started, because that was about two weeks ago.
Stage 2 93oct OTS
Any thoughts on what it could be and what I should do?