I agree with Dustin (SaleenGTS) Go with the TFS package.
You can look at what I have. It shouldnt cost you much more than 2500 for the setup that I have and I dynoed 332rwhp with my combo. On 87 octane fuel.
It runs 12.5's and and still have a few issues to clear up with it.
Skyler
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-1989 Saleen Mustang #406-
TFS TW Heads, E-303, Edelbrock intake, 70mm TB, 73mm MAF, 24lb injectors, 1 5/8 shorties, Off Road H, 3 Chamber flows, Jaz Race seats, Back seat removed, sub-frames, Roll Cage, and a 80 shot of N20.
12.54@107.4 Motor
1.69 60'