Modulate - adjust... good term to me...The Trans Am should be a mid 13 second car, you should have been beaten worse.15.9 @ 86.7mph97 Eclipse RSInjen CAI, 55mm TB, P&P Intake, Crower Stage 2 Cams, Hooker Header, GS-T Muffler, AFX UDP, Crane Ign Amp, S-AFC