i have a 1998 mustang gt with a 2001 pi forged engine in it i have 75mm throttle body bbk short headers bbk h pipe and flowmaster 2 chamber muflers cold air intake and msd ignition coils i should mention i am using the 1998 harness i took the engine completly down replaced everything but im not making the power i feel i should make and it wants to cut off alot for some reason im kinda gettung fes up with it i neeed some help i was also wondering if me using the 1998 ecu would be a issue any...

help not making power like i think i should