275 sounds about right, but with some tuning, I would say 300 is not too far off. I'm thinking that my car has about 250 rw(Cobra). Anyway, let me know what you get.
------------------
The Black Mamba 11.2@124
94 Cobra- MAC cold air fender kit, Motorsport underdrive pulley's, MAC 21/2" off-road H pipe, SVO mufflers, 3.73 gears, E-303 cam, 13.417@101.335mph