pistons

Pics attached. Car was misfiring due to oil on plugs from either leaking VCG or valve cover itself. Regardless, when I'm changing plugs I always like to use my endoscope to see the tops of the pistons to make sure they are healthy. This time they seemed a little more caked than before, should I...

Soooo... I've decided to post a bit about my build Starting with the story leading to my decision, So a few months back I had my oil pan gasket replaced. Upon removal of the pan we found shattered pieces of metal of what appeared to be a valve keeper and roller. I assumed it was from a...