That's not a lot of oil to consume in 3000 miles when dealing with a high mileage motor. And very slow oil consumption doesn't always blow smoke out of the tail pipe. I wouldn't worry about it. Cars age just like people and there's only so much you can do. If it begins burning a quart a week, then consider a rebuild/replacement.
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Sunday, February 20th, 2011 AT 2:28 PM