( .054 inch ) according to motorcraft.com.
The spark plug gap is too small, the spark that is produced may be too weak to ignite the fuel-air mixture inside the cylinder. A certain spark plug can be specified for several different engines, with each engine requiring a different gap size. There are two resources necessary to set a spark plug gap.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.