Stop in for a cup of coffee
Its kindof like this:
if the bearing clearances were set tight, then don't use high viscosity oil unless its running very hot.
Very hot being something like 250 - 300*F in the pan.
and or a high pressure relief spring will result in even higher pressure at the pump when using cold, thick oil.
Its kindof like this:
if the bearing clearances were set tight, then don't use high viscosity oil unless its running very hot.
Very hot being something like 250 - 300*F in the pan.