The oil gets to its optimum working (hot) temperature only after about 5-6 miles of driving under normal conditions. The overall oil temperature is controlled (up to a point) by the coolant temperature via the oil / water heat exchanger mounted on top of the crankcase.
One way of causing oil contamination is to drive short distances in cold, humid climates at low temps - this causes high water & fuel contamination to the oil.
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
Last edited by Steve Tinker; 11-22-2010 at 12:17 AM.
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