View Single Post
Old 05-27-2010, 08:37 AM   #66 (permalink)
gumpy
Enthusiast Member
 
gumpy's Avatar
 
Join Date: Oct 2009
Location: Sydney
Posts: 449
Drives: 09 370z white manual
Rep Power: 16
gumpy is on a distinguished road
Default

Quote:
Originally Posted by LiquidZ View Post
I agree with Gumpy.

The Timken test is not the end all be all of oil testing. This test is primarily run to determine the performance of extreme pressure additives found in an oil. Here is the ASTM link for the test: ASTM D2782 -02(2008) Standard Test Method for Measurement of Extreme-Pressure Properties of...

An oil is subject to so much more than what this test can prove. UOA's are one of the greatest, if not the greatest ways to verify the performance of an oil in your engine.
Actually i heard UOA's are limited as well as they only show dissolved metals and not the non-dissolved stuff...

Food for thought people, i asked my taxi driver how often they change the oil. They do it every 10k km with some cheap *** gulf western oil... their engines last over 800,000km... hmmm...
gumpy is offline   Reply With Quote