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Old 02-09-2012, 09:18 AM   #135
Homemade WRX
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Quote:
Originally Posted by old greg View Post
Lugging occurs when the load on the crankshaft (from cylinder pressure) is high enough that oil alone can not provide an equal reaction force and the crankshaft contacts the bearings. It happens because there is not enough relative motion to support the load, rather than not enough oil pressure.
When you keep saying relative motion, are you meaning bearing surface speed...which is the driving force of the boundary layers?
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