Just Like Shop Class, But Without All The Safety Equipment.
What Good Spark Plugs Look Like
Here's what the plugs looked like that came out of Oscar after a few thousand miles. I'd say for a formerly "zombified" 216 without any bottom end work he's running pretty good. No oil deposits, no strange stuff. I cleaned these babies up and threw them back in for another few miles.
It was kind of a relief to see these come out clean. I was wondering if there would be at least one nasty one like you used to see in the old Chilton's manual spark plug guide sheets:
Thanks for checking in. I promise I'll write something worthwhile soon.