THE FACTORY SPARK PLUG BLEW OUT OF THE CYLINDER HEAD ON MY FORD F-150. MY WIFE WAS DRIVING THE VEHICLE HOME AFTER PICKING MY SON UP FROM DAYCARE. A FIRE STARTED UNDER THE HOOD AND PASSER BY WAS KIND ENOUGH TO STOP AND HELP PUT IT OUT. I HAD A MACHINIST FIX THE HEAD AND I AM ABLE TO DRIVE THE TRUCK AGAIN. IT SCARES ME TO THINK THAT A MANUFACTURER IS ALLOWED TO PRODUCE A VEHICLE THAT COULD HAVE KILLED MY FAMILY. I HAVE LEARNED THAT I WILL NEVER OWN ANOTHER FORD VEHICLE WITH THIS TYPE OF ENGINE AND I WILL ENCOURAGE OTHERS TO THE SAME. *TR