I pulled apart my heads to do a head swap and noticed my #8 piston looks like this.


All the rest look like this.

The bore looks good and I wasn't having any problems prior to removing the heads. So if I do run it will it adversely effect anything?

 

wth is that? can you clean it off?

It looks like a bunch of nics and pits, but not sure.

 

I'm pretty sure I can knock the burrs down the strange part (read lucky) is that it didn't score up the wall.

 

obviously,some foreign object has found its way into the combustion chamber.you could remove it and have it checked for cracks (strongly reccomended) or just replace that one piston (the wise choice) cast pistons dont take kindly to this kind of damage ,so id just replace it to be safe