I thought I would post this old video I have of the SCT 2 stepping at 4,000RPM. I have since switched to the MSD launch Control. Its much faster.
[nomedia="http://www.youtube.com/watch?v=Tpf5Vj6kBZQ&feature=player_detailpage"]YouTube - Twin Turbo GT SCT 2-STEP 4,000 RPM 7PSI ED CLARK‏[/nomedia]
[nomedia="http://www.youtube.com/watch?v=Tpf5Vj6kBZQ&feature=player_detailpage"]YouTube - Twin Turbo GT SCT 2-STEP 4,000 RPM 7PSI ED CLARK‏[/nomedia]