I just finished up my rebuild of my 5.0 It's a bored to a 306, TFS Stage 1 cam, TW Heads, 1.6 rr, Edelbrock RPM Intake, BBK headers, 75mm Mass Air, 30lb injectors, 255LPH fuel pump, and 70 mm TB. Sounds like a beast but I am having some problems with it idling. Could it be my IAC? What else...