Ok i have a 2003 mach 1 that im daily driving and i did a navigator head swap and did some stage one porting and a valve job and sct custom tune and what not well ever since i did that swap my car has mis fire and have tried everything i bought all new 24lbs ford racing injectors BWT coils replaced all coil connectors and new spark plugs and im replacing O2 sensors tomarrow and if that doesnt fix it i would like to know if maybe im not getting enough fuel and need bigger injectors idk some one help me out PLEASE im stumped
and btw just im about to put my P1sc stage 2 9psi air to air intercooled kit back on as soon and i can afford to have the car down again but what size injectors and mass air flow sensor should i get? any help is appreciated
and btw just im about to put my P1sc stage 2 9psi air to air intercooled kit back on as soon and i can afford to have the car down again but what size injectors and mass air flow sensor should i get? any help is appreciated