ignition coils

I have a spark jumping to ground at the front of the engine. It only happens when the engine is at temperature after a long drive. I have replaced the sparkplugs and coils to no avail. I also replaced the sparkplugs tube seals on the valve cover because oil was getting into the tubes and could...

the #4 Coil has obstructions that will not allow me to remove the Coil. It appears to be a fuel line and something else. The Coil is shown in the attached photo. The silver line with the Hex nut above and to the right of the Coil is a fuel line that i undid but it will not move. The other line...