The problem is the heat soak 'burning' the oil and causing carbon buildup which reduces the clearances. Something spinning at thses speeds needs to be pretty right. Too much build up leads to reduced lubrication and then some riding on the bus.
Just as an observation - this is a frightenly uninformed post. Everyone has an oprinion but seemingly no-one has the time to do any research
"I don't like it, and I'm sorry I ever had anything to do with it." -- Erwin Schrodinger talking about quantum mechanics.
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