02-12-2007, 02:26 AM
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Hummer Professional
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Join Date: Jul 2005
Posts: 278
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Re: Newby thread Highjacked - Lets talk about filters!
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Originally Posted by Huck BB62
And most of the soot that DOES build up is when the engine's cold. The I-5 is a tight, well built, modern, fuel injected engine. The oil is not getting contaminated that much, nowhere near as much as a carbed engine of yesteryear. It heats up very quickly, and has a top notch computerized, closed loop fuel injection system. When it's operating temperatures are up to normal, it has very little blow by contaminating the oil. Even in that event, soot contaminates are nowhere equal to silica contaminates (dirt, very HARD dirt, second only to diamonds on the hardness scale)
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Blow-by is a different contamination. How about the dirt that comes from the fuel? I agree that silica is one of the worst contaminates. |