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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
from what i was told, was that somehow the fuel was passing through the chamber and into the exhaust which causes it to glow red. it also happens when the timing is to far retarded
pull that spark plug, if its powder white then your running lean. try switching that injector with one from another cylinder and see if the problem moves.
Header Glowing Red
