older mopar racing manuals used to have instructions to file rotor end to a point so the spark would have a nice sharp point to jump from :burnout:
the one i had was early 70's and yellow cover. looked like a phone book...let me know if i need to explain "phone book" to any of you kids :glasses7:
hey TrailBeast, have you run this before? i've seen a few where the cap was maybe on the tight side of spec or the distributor was worn and it caused some, let's say havoc, inside the cap