trying to to get this blasted spark plug out
No matter what I do, it doesn't seem to be coming loose, and I don't want to put a lot of force and risk breaking something so close to the engine.

This doesn't look too bad, I don't know if it could be the cause of my misfire. But anyway, where the yellow arrow is, I put the anti-seize on there?
Put some anti-sieze on the threads. Not a lot, just a BB size glob and smear it around the threads. Don't get any on the business ends.




