The reason that I ask is because yesterday I had my oil changed, but I always double check them the next morning after the Jeep has sat overnight. I checked it this morning, there are two holes on the stick, one at the bottom for "low" or "add" and one up higher for "full", well Iam over the full hole and the stick states "do not overfill". I would think that I would want it to be right on the upper hole? The paperwork that they gave me stated that 6 qts. were put in. Are there any "signs" of being overfilled? Engine noise or anything like that? Is it really harmful to be overfilled? Maybe Iam just being paranoid, but I would rather be safe than sorry. Thanks again, Scooby04 Black is correct. If you use the stock sized filter it holds 6 quarts.