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Discussion Starter #1
hey guys, my '73 450SEL started smoking really badly about a year ago, my first thought was that the piston rings may be shot, but the smole comes and goes! one day clean as a whistle, next day gagging clouds. any idea what this may be? thanks for ANY advice, Barry
 

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sorry about that,
its a gray-blue smoke, sometimes it smokes for a day after start, until end of day, some days there is no smoke at all. some days it's extremely heavy, others, not the slightest trace. my first thought was the piston rings, but those problems dont "come & go" it smells richly of gasoline, and oil mixed. any ideas?? thanks for your help
 
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