Try cleaning the MAF, changing the fuel filter, check your spark plug wires for arcing, check the egr, check for vacuum leaks, etc.
All these things are items that should be addressed at some point anyway, so its a good place to start.
94 GT convertible - GT40's, F cam, Kenne Bell, Devils Own Meth Injection. (Sold)
86 SVO 9L - Mostly stock - 14.5@98mph (Sold)
New Project - 87 RX7 - 6.0, T56, etc...
New Stang Project - 94 GT Convertible 5.0, 5 speed...Stock