That is a good question. Some cars will never use a drop of oil between oil changes and others a quart every 1K or so seems normal. If you are using that much, don't be to concerned. Presently, I use a qt every 500 miles, but on an engine with 220K, it's acceptable.
Let me know if you have other questions.
Joe
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Thursday, April 8th, 2010 AT 11:19 AM