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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.
well i found out what it was... i was literally staring at the motor running, just going over it carefully to see if somthing is tapping somthing, and i felt wire 5 and it was vibrating more then the others... so i follow it up to the cap, and it was snug on there... followed it down to the plug, and i stare at it and its literally moving around, so i twist the wire and hte whole plug turns with it...