what could have caused this?

[chino12]

hhaha yea it was a tshirt inside! i couldnt believe either .. for sure it was put there for a reason, coz no one can forget a shirt in an engine ... a screw maybe, you drop it

i am sorry coz i didnt take a picture my hands was dirty

the pickup was there in place when i first removed the pan, and the reason was to do the pickup oil mod ... the sheet of aluminum i bought was garbage, threw it away and left it like that, but of course whitout the tee

i, then, saw that the pickup oil wasnt holding very good in that hole, but i thought its normal ... i now dont anymore