I changed the manual transmission fluid a few days ago in my Celica and I have a quick question in regards to the oil full level. The fluid was drained and refilled with the correct amount, 2 quarts. My car was level and when i topped it off and after removing the fill tube I let it drip out for about 3 minutes until the fill hole was just a slight drip every 5 seconds. I know the fill level it just at the fill hole and I was wondering if this would have any ill effect on the transmission level. I figure i put in about 1.7 quarts of new fluid in the transmission as some of the old fluid never "completely drains". I was just wondering when watching a lot of diy manual transmission fluid YouTube videos a lot of guys plug the fill hole while the fluid is running/pouring out of the fill hole, wouldn't this cause and over fill condition?