The six plugs will all fire in sequence no matter where the plugs are. Now with two wires swapped, those plugs may fire at any of the four cycles of...
There was an otterstat that turned at a lower temp that Hervey use to sell. I had one on my car and the fans kick on just a hair above the 1/4 mark....
Cap and rotor look good in photos but in your first photo looks like some burning probably from the wires running over the cap. Defiantly don't want...