we just got done building a RB25DT (skyline engine) made 539hp @20 psi. Its in a 240sx. ran 13.99@139.04 (needs good tires). How was the drag strip? We whent last night.... Jeff (burntire) went 10.90@127.??mph and there was a 4 door dodge diesel that went 12.82@109.??mph. A Honda civic hatchback with a big turbo went 10.99@12?.??mph