ok, i have a 7mgte with 560cc injectors, lexus afm, 3in turbo back exhaust, 1.2mm head gasket, front mount, spec stage 2 clutch, with a map ecu to tune, not tuned yet thats y i still have lexus afm still on, just wondering if i will hit 400whp or am i going to have to run 100 octane or higher...