Just installed the rebuilt 5.0 FI in my 1993 GT - now it is slower - feels like 100 hp vs 250hp - all this is new - Cold air intake, 76mm C&L MAF w/ 19lb calibrated tube - stock 19lb injectors, MAC 70mm T/body & EGR spacer with water lines hooked up, Edelebrock Performer 5.0 upper/lower intake...