Engine - 4.6L & 5.4L
I have a 1996 t bird I tried to make it move alot of air ported upgraded heads still with .5 lift. Shorty headers and 76 mm throttle body. I have been having issues with egr. Can some one tell me the voltage for wires and how much vaccum should be at throttle body at idle and at 3600 rpm on a...