Welcome to the forums! We try to keep this forum family friendly. And even though you did star out some of the word we all know what it meant. I edited it accordingly. If there is metal in the oil something is wearing abnormally. And the list of possibilities goes on and on. You will have to start removing parts of the engine to look for the culprit. Start by removing the valve cover and hopefully its just a rocker arm or cam. Sometimes clutch wear can put kind of a grey sludge with a shimmer to it in the oil. You are getting actual metal chunks correct?
:grin
He said aluminum...... cam and rockers are steel