well i'm pissed ,99 cobra just 020 overed ,new valve guides,all new bolts too.my pass side head is leaking from the rear of the head....where the oil passage runs to the head.....has anyone tried this stuff in a can? does it work? does it mess up new bearings and seals.?....or should i retoruqe the back 2 head bolts..or pull the head agian? thanks i'am pissed . ....what the best name brand of sealer to get ? iam selling this car ,and it wont go away.