john smith wrote:

180-200 on the gauge is 220-250 in the cylinders.
Oil temp is 40-50 deg F higher in the cylinder than the sump.
(per Ben Vissar, Shell Oil Research, retired)



Not only that but reemember, the boiling point is lower with increase in
altitude.
What is it? A decrease of 2 degrees C for every thousand feet or so?

John







http://www.csgnetwork.com/h2oboilcalc.html