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Old 02-01-2001, 09:41 AM
Kebowers Kebowers is offline
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Join Date: Jul 2000
Posts: 638
Deposits with Mobil1

If you are experiencing valve cover deposits with your frequent changes of Mobil1, I urge you to get in contact with Mobil's customer service folks. This is NOT a usual condition. DO NOT throw away the used oil. Make careful observation and record the engine operating paramaters--temp, fuel economy, driving syste, etc. The lube tech folks at Mobil will be very interested.
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