I put a TSP 220 581/581 112 last week, had it tuned by Nelson Perf thursday and took it to the track friday and ran a 15.18 but dont remember trap speed. Ill post a pic of the timeslip tommorrow. Im happy with it but still waiting to put the gears in. Maybe then ill break into the 14s. The turbo CCSB still ran a best of 15.2 but then again havent done anything else to it. It will also be getting gears pretty soon.