I have a ETS 2.5, Cobb Tip, Cobb SRI, TurboXS Hybrid BOV, Denso 1 step colder plugs, and I'm running on 93 octane. I'm running Stage1 + TIHSF 93 map, but I'm running lean at idle and at cruise. My LTFT's are around 7-8 at those times. Should I try the Stage2 + TIHSF 91 map to see if I can...