Bullet,
my particles look just like yours. I don't pull as much oil as you but the particles appear similar. I have tried the magnet, and mine are not attracted.
I also, cleaned my catch can, filter and lines. I still see particles beginning to appear.
I'm hoping someone can offer a clue as to what aluminum part could be producing such fine particles with no other performance or other signs of failure besides the particles. I'm just not familiar with the 6.2 and do not know where I should look or what I should suspect. Also, will be sending off an oil sample, but I'm sure they will flag for high aluminum...
I would have never noticed this problem during normal oil changes if I did not have the oil catch can.
R,
HAP
Any updates? I checked mine the other day and my oil was sparkling in the catch can. I read that the metal could be from the filter the oil comes through, and that it would be very difficult for metal to make it all the way to the catch can from the crank. Here is why I got