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Old 06-13-2000, 12:02 AM
racecars
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I have a 1991 560SEC that has started to smoke and use excessive amounts of oil. It does not foul spark plugs and runs fine. This started pretty much all at once. It uses two quarts of oil very quickly (approx. 250 miles) and does not smoke when it is two quarts low. Piston rings? Valve guides? Or maybe some type of crankcase ventilation problem. Any help would be appreciated.
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