What does the oil pressure gauge measure? If it is oil pressure right
off the pump, what does that have to do with the condition of the
engine?
If you have an engine that is 100 miles from blowing up, but that has
had a new oil pump installed wouldn't you expect to get good pressure
while at the same time you are driving a time bomb?
Do the differences in the tolerances found in a new engine compared to
the tolerances found in a worn out engine affect oil pressure? Is the
oil pressure gauge affected by the back pressure of oil being pumped
through the tighter tolerances of a new engine?
I'm just sort of stuck on this. If the gauge reflects pressure right
off the pump, then engine condition would seem irrelevant - unless some
sort of back pressure comes into play.
Jack Radley
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