In speaking of oil pressure, all the TR's I've seen tend to have lower oil
pressure as they warm up. Now I understand that heat causes metal surfaces
to expand, and so I can understand some pressure drop. But I've seen a 30-40
lb drop running from cold to hot. Is such a drop indicative of a "worn"
engine? What should be expected? My modern car has an oil pressure gauge,
but it doesn't vary by much. Why do TR's?
Does running at a higher than recommended 70 PSI cause problems? Why the 70
PSI and not something else?
It was mentioned in previous emails that internal engine air pressure would
affect oil leaks at the rear seal. If your car "leaves it mark" via the rear
seal should internal pressure be suspected?
Thanks!
Johnnie
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