Brad Penn 20w-50 (green Oil)

[mrpowderkeg]

Seems to not have the levels of additives they claim... Oh, and I forgot to add in my other test oils to right click and then view image for a more clear picture of the report...

 

[Fred_Garvin]

http://www.penngrade1.com/Zinc.aspx

Been talked about and addressed before.

 

[Garak]

The explanation for the result on the 20W-50 SJ #7123, particularly with respect to Blackstone's numbers, is poor and contrived.