Originally Posted by moparacer
I had that in the pan before and it was metal wear from rocker shafts one time, and the pins in the roller lifters the other time....

Fixed the issues and the black sludge went away. I was and still am using Brad Penn oil.

Also left a nice black ball on the magnetic drain plug when I pulled it out.


None of the black stuff in my pan was magnetic, that's why I thought it was off the spacers on the T&D rockers.