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 |
Ok but the Z's ecu starts pulling timing (i.e. Power reduction) prior to oil breaking down. Cooler oil = more timing = more power.