Date: Thu, 14 Sep 2006 11:07:50 -0400 From: Fred W <Malt_Houndnospamm-me-not*yahoo.com> Subject: Re: oil sludge?
darthpup wrote: > 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. > You obviously do not understand multi-viscosity oils in the least. Single weight oils respond to temperature changes more than ANY multi-viscosity oil. -- -Fred W
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