Quote:
Originally Posted by ghotnit
Cold engine oil causes excessive frictional drag on the bearings and cylinder walls. A quality conventional motor oil will tolerate oil sump temperatures of up to 250 degrees, but starts breaking down over 275 degrees. The traditional approach is to try to hold oil temperatures between 230 and 260 degrees.Aug 29, 2013
What Is The Optimum Engine Oil Temperature? - Hot Rod Network |
They are talking about conventional (dino-based) oils in your quote. Later in the article, they say:
Quote:
|
A full-synthetic oil will withstand sump temperatures in excess of 300 degrees, and for hard-core professional racing, some oval-track race teams are experimenting with ultra-thin, specially formulated, race-only synthetics operating at 350 degrees or even higher.
|