Just recently did a full rebuild on my B18A1 motor and have been driving it for about 3000 miles and seems to be burning oil quite a bit. I'm having to put about half a quart of oil in about every two weeks and I'm driving about 500 miles within the week. Not sure is there rings are bad due to it burning so much oil or if the motor still hasn't been broken in. It smokes a little when I start the car, but seems to go away after about a minute in a half or so. Does anyone know what may be the problem? Do you think I would need to rebuild it again? Please help.