Oil Sample Results Info-How to Read

[bossboy2]

(03-14-2018 )Rawze Wrote:  

(03-14-2018 )bossboy2 Wrote:  Interesting reading on GL4-GL5 differences

I have seen this document. Some of it is valid and some of it is a scare tactic. I bet I could find a 40+ year old brass component out of about anything and it look chewed up like that. Most of that brass damage he is claiming is from moisture build-up and neglect more than anything. It is obvious.

Modern GL-5 oils are not problematic like this.

At 7:00 on this video i show some brass components in the enigne and what gear lube GL-5 did to it after 950k miles of running a gallon of gear lube (10%) at each oil change ...

Thanks for that Rawze. I used the GL-5 this past oil change. Another 10k miles and I'll re-sample, but I remember you stated in your tech document that the newer GL-5's don't have that issue which is why I went with it.