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Old 11-18-2003, 08:02 PM
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Mike Murrell Mike Murrell is offline
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Join Date: Feb 2000
Posts: 2,357
I may stand corrected and please do if I'm wrong, but I was under the impression that the 420/560's had adjustable valve clearances?

If so, have you tried that?
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
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