I was home for Easter weekend two weeks ago and my oil was low. So my father insists on putting in the oil. He wanted to put in a quart and a half which I told him not to do, but he did anyway. At the time the engine was somewhat hot(I know, another no-no ) and it filled up to right below the second marker on the dipstick. I thought everything was good and drove back to college with the car about about 3,200 RPMs the entire 2 and a half hour drive. Since then I've been driving around campus a little and to the stores and such. Well yesterday I checked my oil and it is half the length of the two dots over the second marker! I guess we didn't wait long enough to check it after my engine cooled down. It makes me kind of angry because I told my dad he was putting too much in but there's not much I can do now. As far as I can tell it's still running fine but when I got up to around 4,000 RPMs accelerating on the highway it sounded kind of squirrely like it was sparking or clicking. Any suggestions on what I should do besides drain out the excess oil? Has anything been seriously damaged?