Should be fine. The 2040 is the same as an E303. They make good power. Other good choices would be Crane 2030, TFS Stage 1, or Lunati 51014.
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91 GT - Cobra Intake, FMS 65mm TB, C&L 73mm MAF, GT-40P heads, Crane 2031 cam, Crane 1.7rr, Built AOD, Art Carr 2400 non-lockup converter, Transgo shift kit, BBK cold air, FMS 'P' headers, Pacesetter off-road H, BBK aluminum pulleys, Flows w/dumps, FMS 4.10's, Steeda STB, StangNet LCA's, for now...
Original GT-40P Tech Page