Cam Swap in Progress...Is This Broke ??? PICS


Next...right after taking of the crankbolt, I found this laying under the car. Can anyone tell me what this is?


And lastly I've been having alot of problems with the car missfiring, I cant seem to drive it more than a mile before the missing gets so bad I have to stop and then it will shut-off, also throws the P0300 code so I decided to check the spark plugs which were completely COVERED is carbon

What would cause this? running to rich?
As for the first pic it looks like that threaded sleeve should be in the cylinder head, and there is some in there, so Im thinking some of it may have pulled out and then it broke? Is it ok to put back in since there is still a threaded sleeve in the head for the rocker to bolt down to?
And does no one know that the random peice is? I found it after pulling the crankbolt...I may have to goto the dealer and try to find out.
Trending Topics
And the round thing looks like part of a balancer puller, but I don't know how it would stay in or around the balancer, is it steel?
The Best V8 Stories One Small Block at Time

Also does anyone have any tips on getting the old peice out and will I need to get a helicoil puller/install tool?
I also took a picture of the random peice next to the radiator cap for size:

If so look at the bottom of the core support u will see another one just like it.





