Quote:
Originally Posted by probear
With B10, you'll not really notice, but it has a lot more lubricating qualities than even the sulfured #2. Most people even notice the engine runs quieter. Test have shown that it will increase the longevity of the engine.
Not to mention, it greatly reduces overall pollution.
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I thought that the quietness of the engine is because of the change of combustion characteristics and not the lubricating properties? I agree that it has better lubricating properties than D2. Whether it is significant when it comes to longer life is not proven. IOW, nobody knows what the graph of lubricity vs wear looks like. What is the point of diminishing returns? Again nobody knows.