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Date: 14 Sep 2006 05:45:39 -0700
From: "darthpup" <amchitkanospamexcite.com>
Subject: Re: oil sludge?


Bear in mind that MV oils respond to the temperature and are designed to thick and thin based on the ambient temperature of the engine. In those areas where heat increases the temperature the MV oil will thicken beyond its stated viscosity and gum up. I have experienced this problem with two engine failures. On one the oil pump jammed up from gummy oil and on another the exhaust valve seized from lack of lubrication. Both directly related to the recent addition of 10W-50 oil. I now use only single weight Valvoline oil. So your problem may not be sludge but simply overheated MV oil. Try changing to Valvoline 30 and see if your problem doesn"t go away.

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