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Date:         Fri, 2 Feb 1996 20:49:58 -0500
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         DHaynes57@aol.com
Subject:      Re: Synthetic oil

In a message dated 96-02-02 04:27:01 EST, Remuse@aol.com writes:

> One of the assertions was that synoil was 10% more effective at heat >transfer. That reminded me of the list member who a few weeks earlier said >he had tried and abandoned synoil because his oil temp. increased 10* to >20*(he may not have been that specific).Hence this question: Wouldn't that be >a good thing rather than bad if it means that the oil is "transfering" 10% >more heat(10* -20*) from the interior of the engine to the cooler? >I'll admit upfront that this is strictly an academic exercise for me since I >have very little understanding of things mechanical but do enjoy hearing the >"pros" hash one out.

Oil temp may have been raised by overfilling crankcase. Most oil heat comes form bearing friction and the friction of the oil itself traveling through the engine. This is how oil gets hotter than the engine water temparature. Most synthetics have charachtersistics that allow them to run cooler than conventional lubricants. If better heat transfer allows it to pick up more heat, that same effect allows it to dissipate that heat. I hope this answers your question. Dennis.


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