Thread: Oil Change with Topsider or similar
View Single Post
Old Apr 19, 2011 | 10:02 AM
  #56 (permalink)  
onehundred80's Avatar
onehundred80
Senior Member
Joined: Apr 2006
Posts: 25,432
Likes: 648
From: Ontario
Default Re: Oil Change with Topsider or similar
Originally Posted by dedwards0323
.........Multi-grade oils perform equally as well at both low & high temperatures ranges.
At the low end of any particular multi grade oil temperature range it does not operate as well as its upper end. It performs adequately.
All oils get thinner as their temperature gets hotter, some more so relative to others.
All oils get thicker as their temperature drops, some more so relative to others.
A cold engine will suffer more wear until it gets warm.
An overly hot engine will suffer more wear until it's temperature drops to a safe temperature.
Both of these reasons are because the oil film is too thin or non existent.
 
Reply
0