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My Tiger used to do this in traffic:
        - idle briefly
        - overheat
        - leave puddles of coolant
That problem seems largely solved, but I have a different problem which I don't
completely understand:
        - idle for much longer (though still somewhere south of 20 minutes)
        - get rather hot - definitely +230F
        - loose all semblance of oil pressure
        - cease to run until cool
        - doesn't lose any coolant
Can someone explain to me what is happening here?  Does it indicate a mechanical
problem or is the oil losing viscosity or something else altogether?  FWIW, oil
pressure under normal circumstances is a robust 75 <whatever units are on that
dial>.
Thanks in advance,
rick
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